BluePrint Engines Pro Series 563 HP Long Block GM 454 Small-Block Crate Engine

Get the high RPM power a drag racer demands with this GM 454 small-block crate engine! BluePrint Engines crafted it for serious strip cars, as it has a strong throttle response and forged internals. Compatible with vintage muscle cars as well, it’s low maintenance to boot.

Features and Benefits:
- High-strength, cast iron engine block with 4.250” bore
- Operates at 563 horsepower and 545 ft.-lbs. torque
- 10.0:1 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
- Built-in BluePrint Engines Muscle Series cylinder heads made of aluminum
- New forged steel crankshaft with 4.000" stroke and forged 6.000" connecting rods
- Forged pistons for incredible strength and impact resistance
- Rotating assembly is internally balanced for smoother, more stable operation
- Hydraulic roller cam. for lower maintenance and better strength than flat tappet cam.
- Includes mechanical fuel pump provision and passenger-side dipstick
- Backed by BluePrint Engines' 30 month/50,000-mile warranty

Also Includes:
- Valve covers
- Oil pan
- Timing cover
- Harmonic balancer

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

Camshaft Specifications:
- .638” intake / .622” exhaust lift
- 251° intake / 259° exhaust duration
- @ .050-114° lobe separation

Please Note: Features an external 42.5-oz. imbalance.