Edelbrock Engine Camshaft and Lifter Kit 2157

Edelbrock
BDVJ_2157
In stock
$410.96
$410.96

Edelbrock Engine Camshaft and Lifter Kit 2157
Edelbrock Performer-Plus Camshaft #2157 is designed for 350-455 Pontiac V8 engines and produce optimum torque from the low-end to the mid-range. Performer-Plus camshafts should be matched with Performer manifolds for vehicles operating from off-idle to 5500 rpm. The Performer-Plus #2157 is a smooth idling cam for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. In the manifold section you'll find torque graphs showing the power gains from Performer manifolds and Performer-Plus cams. All camshafts include flat tappet lifters (except for cams designed for use with stock roller lifters), assembly lube and instructions. This cam produced 387HP and 439 Ft Lbs of Torque when paired with Performer intake manifold #2156 and Performer RPM cylinder heads #60599. Camshaft specifications: - Intake duration: 204 Degrees - Exhaust duration: 214 Degrees - Intake lift: .420" - Exhaust lift: .442" - Lobe separation: 110 Degree - Intake Center Line: 105 Degree - Vacuum: 15"


Edelbrock Engine Camshaft and Lifter Kit 2157


Specifications:

Advertised Intake Duration 278
Cam Type Cast
Lifter Type Hydraulic
Grade Type Performance
Intake Valve Lift 0.420
RGL WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Advertised Exhaust Duration 288
Lobe Separation 110
Lifter Materials Hardened Steel
Exhaust Valve Lift 0.442
Exhaust Duration at .050 inch Lift 214
Computer Controlled Compatible No
Intake Duration .050 Inch Lift 204
Description_ABR Cam Lift kt
Description_INV Edelbrock Performer-Plus Cam Kit #2157
Description_LAB Edelbrock Performer-Plus Camshaft Kit for Pontiac 350-403 V8
Description_ASM Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4)
Description_EXT Edelbrock Performer-Plus #2157 is designed for 350-455 Pontiac V8 engines and produce optimum torque from the low-end to the mid-range.
Description_MKT Edelbrock Performer-Plus Camshaft #2157 is designed for 350-455 Pontiac V8 engines and produce optimum torque from the low-end to the mid-range. Performer-Plus camshafts should be matched with Performer manifolds for vehicles operating from off-idle to 5500 rpm. The Performer-Plus #2157 is a smooth idling cam for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. In the manifold section you'll find torque graphs showing the power gains from Performer manifolds and Performer-Plus cams. All camshafts include flat tappet lifters (except for cams designed for use with stock roller lifters), assembly lube and instructions. This cam produced 387HP and 439 Ft Lbs of Torque when paired with Performer intake manifold #2156 and Performer RPM cylinder heads #60599. Camshaft specifications: - Intake duration: 204 Degrees - Exhaust duration: 214 Degrees - Intake lift: .420" - Exhaust lift: .442" - Lobe separation: 110 Degree - Intake Center Line: 105 Degree - Vacuum: 15"
Description_TRA Recommended Valve Springs for OEM heads: Edelbrock part #5857 non-rotator
Description_TRA In order for this Performer-Plus cam and lifter kit to be covered under ANY WARRANTY you must use either the correct Edelbrock Sure Seat valve springs or the stock original equipment valve springs.
Description_TRA Oil/additive must contain Zinc designed for use with flat tappet camshafts.
Description_TRA Coat cam lobes and bottoms of each lifter with MoS2 lube (supplied) to prevent cam lobe and lifter wear from occurring during initial start-up.
Description_TRA Do not allow the engine to run under 2000 rpm for the first 1/2 hour. Slow idle speeds may result in severe cam and lifter wear. Start the engine and bring to break-in rpm.
Description_DEF Engine Camshaft and Lifter Kit


This Part Fits:

Year Make Model Submodel Notes
1975 Buick LeSabre Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1984 GMC G3500 Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Oldsmobile 98 Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Oldsmobile Custom Cruiser Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Oldsmobile Delta 88 Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Acadian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Acadian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1958 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1959 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1960 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1961 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1962 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1963 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1963 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1964 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1964 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1965 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1965 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1966 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1966 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1977 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1978 Pontiac Bonneville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1958 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1959 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1960 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1961 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1961 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1962 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1962 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1963 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1963 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1964 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1964 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1965 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1965 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1966 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1966 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1977 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1978 Pontiac Catalina Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1958 Pontiac Chieftain Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Executive Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Executive Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Executive Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Executive Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Executive Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Executive Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Executive Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Executive Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1977 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1978 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1979 Pontiac Firebird Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Grand Am Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Grand Am Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Grand Am Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Grand Am Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Grand Am Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Grand Am Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac Grand Am Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac Grand LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac Grand LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Grand LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Grand LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1977 Pontiac Grand LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1962 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1963 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1963 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1964 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1964 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1965 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1965 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1966 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1966 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1977 Pontiac Grand Prix Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1977 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1978 Pontiac Grand Safari Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Grandville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Grandville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Grandville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Grandville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Grandville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Grandville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Grandville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac Grandville Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1964 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1965 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1966 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac GTO Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1966 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Laurentian Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1977 Pontiac LeMans Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1966 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1971 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1976 Pontiac Parisienne Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1958 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1959 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1960 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1961 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1962 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1963 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1963 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1964 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1964 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1965 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1965 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1966 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1966 Pontiac Star Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1966 Pontiac Strato-Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1967 Pontiac Strato-Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Strato-Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Strato-Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Strato-Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Strato-Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1958 Pontiac Super Chief Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1961 Pontiac Tempest Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1968 Pontiac Tempest Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1969 Pontiac Tempest Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1970 Pontiac Tempest Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1960 Pontiac Ventura Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1961 Pontiac Ventura Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1961 Pontiac Ventura Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1972 Pontiac Ventura Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1973 Pontiac Ventura Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1974 Pontiac Ventura Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
1975 Pontiac Ventura Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads,Off-Idle to 5500rpm; Adv. Dur. at 0.050 Int/Ext. 204/214 Deg.; Lift at Valve Int/Exh 0.420/0.442 in.; Lobe Seps 105 Deg. Intake Center Line 105 Deg.; Engines Transplanted Into Uncontrolled/Pre-Pollution Vehicle; Idle Vacuum at 1000 RPM - 15 inch~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps~ Produces 387hp and 439 ft.-lbs When Matched w/2156 Intake and 60559 Heads
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Shipping Policy

Cancellations: Once an order is placed, in most cases it cannot be cancelled as they are sent for fulfillment almost immediately after receiving the order. If there is an ability to cancel the order, the buyer is responsible for the transaction fees charged from the transaction.

Processing Time: In stock orders are typically processed and shipped within 1-2 business days of receiving payment, unless otherwise stated on the product page. Orders placed on weekends or holidays will be processed on the next business day.

Shipping Costs: Shipping costs are calculated based on the shipping method selected, the weight and dimensions of the package, and the destination address. You can view the shipping costs for your order during the checkout process before finalizing your purchase.

Tracking Information: Once your order has been shipped, you will receive a shipping confirmation email with tracking information. You can use this information to track the status of your package and monitor its delivery progress.

Delivery Time: While we make every effort to ensure timely delivery, please note that delivery times may vary due to factors beyond our control, such as weather conditions or carrier delays.

International Shipping: For international orders, please be aware that customs duties, taxes, and other fees may apply upon delivery. These additional charges are the responsibility of the recipient and are not included in the shipping cost paid at checkout. Please check with your local customs office for information on potential fees before placing your order.

Shipping Address: Please ensure that the shipping address provided during checkout is accurate and complete. We are not responsible for orders shipped to incorrect or undeliverable addresses due to customer error.

Refund Policy

Thank you for shopping with us! We want you to be completely satisfied with your purchase. If you need to return an item, please make sure you read and understand our return policy outlined below:

Return Period: You have 30 calendar days from the date of purchase to return an item.

Restocking Fee: All returned items are subject to a 20% restocking fee. This fee will be deducted from your refund amount.

Shipping Responsibility: The buyer is responsible for all shipping costs associated with the return of the item. This includes the cost of shipping the item back to us.

RMA Number Requirement: Before returning any item, you must obtain a Return Merchandise Authorization (RMA) number from us. Please contact our customer service team to initiate the return process and receive your RMA number. Items returned without an RMA number will not be accepted.

Condition of Returned Items: All returned items must be in their original condition and packaging. Items must be unused, undamaged, and include all original parts and accessories.

Refund Process: Once we receive the returned item and verify its condition, we will process your refund within 3-5 business days. Refunds will be issued to the original payment method used for the purchase.

Damaged or Defective Items: If you receive a damaged or defective item, please contact us immediately for assistance. We will work with you to resolve the issue as quickly as possible.

Non-Returnable Items: Custom ordered products are not eligible for return. Please contact us for clarification before making your purchase.

Cancellations: Orders placed using installment or "payment plan" options that are canceled at the customer's request will be subject to a 7% fee to cover transaction-related costs. Standard transactions paid via credit card or PayPal that are canceled at the customer's request will incur a 3.5% processing fee.

Policy Changes: We reserve the right to update or modify this return policy at any time without prior notice. Any changes will be effective immediately upon posting on our website.

By making a purchase from us, you acknowledge that you have read, understood, and agreed to our return policy.

If you have any questions or concerns about our return policy, please don't hesitate to contact our customer service team for assistance.

Thank you for your understanding and cooperation.

Berry Performance Sales

sales@berryperformancesales.com

Frequently Asked Questions (FAQ)

How can I place an order?

To place an order, simply browse our website and add the desired items to your cart. Proceed to checkout, where you'll enter your shipping and payment information. Once your order is confirmed, you'll receive an email confirmation with your order details.

What payment methods do you accept?

We accept a variety of payment methods, including credit/debit cards (Visa, Mastercard, American Express), PayPal, and bank transfers.

Can I modify or cancel my order after it's been placed?

Unfortunately, after orders are processed and fulfilled, they cannot be modified or canceled. If you notice you need to make a change right after ordering, contact us immediately. If the order hasn’t been processed and fulfilled yet, we can make changes for you.

How do I track my order?

Once your order has been shipped, you will receive a shipping confirmation email with a tracking number. You can use this tracking number to monitor the progress of your shipment.

What is your return policy?

We offer a 30-day return period with a 20% restocking fee. Buyers are responsible for return shipping costs, and an RMA number is required for all returns. Please refer to our detailed return policy for more information.

Do you offer international shipping?

Yes, we offer international shipping to select countries. Shipping rates and delivery times may vary depending on the destination. Please contact us for more information regarding international shipping options.

How can I contact customer support?

Our customer support team is available via email sales@berryperformancesales.com or through the contact form on our website. We strive to respond to all inquiries within 24-48 hours during business days.

Are your products covered by a warranty?

Yes, many of our products come with a manufacturer's warranty. Warranty details vary by product, so please refer to the product description or contact us for specific warranty information.

I can’t find the product/brand I am looking for.

We are always expanding and have more products loading to our website daily. If you can't find what you need on our site, contact us and we can see if we can help.

How do the Rewards work?

Every $1 spent earns you 1 point. You can then use these points as discounts toward future purchases. You can view your existing points and ways to earn more by clicking the Rewards button at the bottom left corner of your screen. You must have an account with Berry Performance Sales to participate.

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