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

Imbue new life into your restomod or muscle car with a Pro Series GM 427 small-block crate engine. It brings strip-ready power to the table without compromising street friendly characteristics. Made by BluePrint Engines, it uses brawny, forged internals that are made to handle stress. Sharp in throttle response as well, the 10.0:1 ratio then ensures it can run on 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° initial and 32-34° 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° intake / 248° exhaust duration
- @ .050-112° lobe separation

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