This BluePrint Engines 350 cubic inch GM Small Block crate engine is a deluxe dressed, electronic fuel injected build rated at 390 horsepower and 410 lb-ft of torque. It arrives with the EFI system, intake, distributor, and other top-end components already installed, plus a black front accessory drive with its accessories, built on a cast iron block with forged rods, a hydraulic roller cam, and BluePrint aluminum heads.
Specifications:
- Displacement: 350 c.i. (5.7L)
- Horsepower: 390 HP
- Torque: 410 lb-ft
- Bore: 4.000 in
- Stroke: 3.480 in
- Compression ratio: 9.2:1
- Block: High-strength cast iron, 4-bolt main, 1-piece rear main seal, mechanical fuel pump provision, passenger-side dipstick, drilled and tapped for clutch linkage
- Crankshaft: Cast, 3.480 in stroke
- Connecting rods: Forged, 5.700 in
- Pistons: Hypereutectic, dish, 12cc
- Cylinder heads: BluePrint aluminum H8002K, 64cc chamber, 2.02 in intake / 1.60 in exhaust valves, 195cc intake / 75cc exhaust runners, .500 in raised port vs OEM
- Camshaft: Hydraulic roller, .495 in intake / .502 in exhaust lift, 220/224 duration at .050, 114 deg LSA
- Induction: EFI: Holley Sniper 2 EFI (BPP550-510-3XX) on a dual-plane satin aluminum intake
- Balance: Internally balanced front, externally balanced rear
- Ignition timing: 32 degrees total at 3500 RPM
- Fuel: 87+ octane
- Part number: BP3505CTFK
What's Included: This is a deluxe dressed, EFI, black pulley kit engine. It comes with the Holley Sniper 2 EFI (BPP550-510-3XX), a standard rotation long style water pump, a thermostat and thermostat housing, a dual plane satin aluminum intake (BPP350VINT), BluePrint logo'd valve covers (BPP9518), a fuel pump block off plate (BPP42463), a BluePrint dipstick (BPP9420), an HEI distributor (BPP350RBK), a 14 inch BluePrint air cleaner, spark plugs (BPP7938), a rear sump oil pan, a harmonic balancer, spark plug wires, a timing cover, an oil pump, a black front accessory drive, an alternator, a power steering pump, a 7B10 peanut style A/C compressor, and a 1-wire alternator. BluePrint's list shows both an alternator and a 1-wire alternator. The itemized list does not include a flywheel or flex plate, or a starter.
Engine Platform: Built to the GM small block (SBC) platform. It is specified for 87+ octane fuel, and the aluminum heads use a .500 in raised port versus an OEM casting.
Prop 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information visit www.P65Warnings.ca.gov.
FAQ
What comes on the BP3505CTFK deluxe dressed engine?
It includes the Holley Sniper 2 EFI (BPP550-510-3XX), a standard rotation long style water pump, a thermostat and thermostat housing, a dual plane satin aluminum intake (BPP350VINT), BluePrint logo'd valve covers (BPP9518), a fuel pump block off plate (BPP42463), a BluePrint dipstick (BPP9420), an HEI distributor (BPP350RBK), a 14 inch BluePrint air cleaner, spark plugs (BPP7938), a rear sump oil pan, a harmonic balancer, spark plug wires, a timing cover, an oil pump, a black front accessory drive, an alternator, a power steering pump, a 7B10 peanut style A/C compressor, and a 1-wire alternator. BluePrint's list shows both an alternator and a 1-wire alternator. The itemized list does not include a flywheel or flex plate, or a starter.
How much power does it make?
It is rated at 390 horsepower and 410 lb-ft of torque by BluePrint Engines. BluePrint describes the rating as dyno-proven.
What EFI system is on it?
It comes with the Holley Sniper 2 EFI (BPP550-510-3XX), which BluePrint lists as part of the engine package, on a dual plane satin aluminum intake.
What octane does it require?
It is a 9.2:1 engine specified for regular 87 octane pump gas or higher.
What does the pulley kit include and does it fit my vehicle?
The black front accessory drive comes with the accessories listed above. BluePrint states the front accessory drive fits many vehicles, but the buyer must measure and confirm fitment. It is low profile, and power steering hoses, alternator wiring, fittings, or fabrication may be needed. The front accessory drive does not fit Corvette.

