BluePrint Engines Pro Series 540 HP Long Block GM 427 Small-Block Crate Engine

Fuel your build with the punch of a Pro Series GM 427 small-block crate engine (PS4272CT1)! A drop-in assembly by BluePrint Engines, it delivers track-level power while staying street friendly. Built with forged internals, it’s primed to handle stress and a quick throttle response. A 10.0:1 compression ratio lets it run smoothly on standard pump gas.

Features and Benefits:
- High-strength, cast iron engine block with 4.125” bore
- Operates at 540 horsepower and 535 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.
- Ignition timing: 10-16 degrees initial and 32-34 degrees total
- 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:
- .577” intake / .577” exhaust lift
- 240 degrees intake / 248 degrees exhaust duration
- @ .050-112 degrees lobe separation

Please Note: Not designed for use in pollution-controlled vehicles.