The Edelbrock 60575 is a Performer aluminum cylinder head for 1962-1979 Pontiac 389-455 cubic inch V8s. It has 215 cc intake runners, 175 cc exhaust runners, 87 cc combustion chambers designed for a 9.5:1 compression ratio, 2.11 in intake and 1.66 in exhaust valves, and a 14 degree valve angle. It comes complete with valves, springs and retainers for hydraulic roller camshafts and is 50-state emissions legal for 1965-1979 vehicles. Sold as a single head.
Notes:
- Valve springs for hydraulic roller camshafts, rated to 0.575 in maximum lift.
- Patterned after the 1969-1970 Ram Air IV Pontiac cylinder head.
- Requires Ram Air IV (round port) style exhaust manifolds or headers.
- Head bolt kit: Edelbrock 8549.
- Deck thickness: 5/8 in. Rocker stud diameter: 7/16 in. Pushrod diameter: 5/16 in.
- The same head for hydraulic flat tappet camshafts is part number 60579.
- Sold individually; order two for a V8.
Specifications:
- Brand: Edelbrock
- Part Number: 60575
- Part Type: Engine Cylinder Head
- Series: Performer
- Material: Aluminum
- Intake Valve Diameter: 2.11 in
- Valve Angle: 14 Degree
- Intake Runner Volume: 215 cc
- Guide Plate Material: Hardened Steel
- Camshaft Type: Hydraulic Roller
- Horsepower: 400-500 HP
- Seat Angle: Exhaust 45 deg/Intake 45 deg
- Pushrod Diameter: 0.3125 (5/16) in
- Rocker Stud Diameter: 0.4375 (7/16) in
- Valve Spring Diameter: 1.46 in
- Valve Spring Maximum Lift: 0.575 in
- Valve Stem Diameter: 0.3438 in
- Retainer Included: Yes
- Valve Included: Yes
- Deck Thickness: 0.625 in
- Combustion Chamber Volume: 87 cc
- CNC Ported: No
- Guide Material: Manganese Bronze
- Exhaust Port Location: Standard
- Construction Type: Complete
- Exhaust Valve Diameter: 1.66 in
- EGR Port: Yes
- Exhaust Runner Volume: 175 cc
- Valve Springs Included: Yes
- Seat Material: Ductile Iron
- Guide Plates Included: Yes
- Sold as: Each
- Manufacturer warranty: 12 months
Engine Applications
- Pontiac: 326 (5.3L), 350 (5.7L), 389 (6.4L), 400 (6.6L), 421 (6.9L), 428 (7.0L), 455 (7.4)
Vehicle Applications
- Pontiac: Bonneville 1965-1978; Catalina 1965-1978; Executive 1967-1970; Firebird 1968-1979; GTO 1965-1966, 1968-1973; Grand Am 1973-1975; Grand LeMans 1975-1977; Grand Prix 1965-1977; Grand Safari 1971-1978; Grandville 1971-1975; Laurentian 1966-1974, 1976; LeMans 1968-1977; Parisienne 1966-1974, 1976; Star Chief 1965-1966; Tempest 1968-1970
Grouped by make, with model years for each model (15 models, 119 year, make and model combinations).
Emissions Status
- 50-state legal under California Air Resources Board (CARB) Executive Order D-215-94, for the vehicles covered by that Executive Order.
FAQ
What engines does the Edelbrock 60575 fit?
It is designed for 1962-1979 Pontiac 389-455 cubic inch V8s. The engine application list covers Pontiac 326, 350, 389, 400, 421, 428 and 455 cubic inch V8s.
What compression ratio is the 60575 designed for?
Its 87 cc combustion chambers are designed for a 9.5:1 compression ratio.
What camshaft type is the 60575 set up for?
It comes with valve springs for hydraulic roller camshafts, rated to 0.575 in maximum valve lift.
What exhaust manifolds work with the 60575?
It requires Ram Air IV (round port) style exhaust manifolds or headers.
Is the Edelbrock 60575 street legal?
It is 50-state legal under CARB Executive Order D-215-94 for 1965-1979 vehicles covered by that Executive Order.
California Proposition 65: This product can expose you to Lead, 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.
