BluePrint Engines GM 400 Small-Block Crate Engine Carbureted Deluxe Dressed 500 HP W/ Black Pulley Kit

Built for muscles cars that can handle track time, this engine balances classic attitude with serious power. The GM 400 small-block crate engine features a forged steel crankshaft and forged pistons. Their combined power lets the block run a 10.3:1 compression ratio hassle-free. Plus, BluePrint Engines packed it with a slick black pulley kit for extra good looks.

Features and Benefits:
- High-strength, cast iron engine block with 4.125” bore
- Operates at 500 horsepower and 500 ft.-lbs. torque
- 10.3:1 compression ratio for stronger throttle response and crisp performance
- 4-bolt main offers stronger bottom end for high-HP applications
- 1-piece rear main seal ensures stronger, leak-free security
- Block is drilled and tapped for clutch linkage
- Uses Holley Double Pumper 800-CFM carburetor with manual choke
- Built-in BluePrint Engines performance cylinder heads made of aluminum
- Dual-plane, satin aluminum-finished intake manifold
- Forged steel crankshaft with 3.750" stroke and 5.700" rods with 150,000 PSI bolts
- Forged pistons for incredible strength and impact resistance
- Rotating assembly: internally balanced front, externally balanced rear
- Hydraulic roller cam. for lower maintenance and better strength than flat tappet cam.
- Ignition timing: 10-16° initial, 32-34° total at 3500 RPM
- Includes mechanical fuel pump provision and passenger-side dipstick
- Backed by BluePrint Engines' 30 month/50,000-mile warranty

Also Includes:
- Long-style water pump
- Thermostat and thermostat housing
- Valve covers
- Harmonic balancer
- Spark plugs and wires
- Fuel pump
- Oil pan
- Distributor
- Timing cover
- Front accessory drive with power steering pump, 1-wire alternator, and 7B10 Peanut-style A/C compressor

Cylinder Head Specifications:
- 64cc chambers
- 2.08" intake / 1.60" exhaust valves
- 220cc intake / 67cc exhaust runners

Camshaft Specifications:
- .553” intake / .576” exhaust lift
- 236° intake / 242° exhaust duration
- @ .050-110° lobe separation

Additional Notes:
- Not designed for EGR use.
- The cylinder heads feature a .500" raised exhaust port vs OEM casting. Please verify header and exhaust clearance prior to installation.
- The aftermarket intake manifold installed on this engine may not be compatible with OEM accessory brackets that use intake-mounted bosses.
- The front accessory drive does NOT fit Corvette models.
- The front accessory drive fits many vehicles, however it is the customer’s responsibility to accurately measure and confirm fitment. Note that this is a low-profile design, but things such as power steering hoses, alternator wiring, and additional fittings/fabrication may be required on some vehicles.