BluePrint Engines 511 HP Long Block Power Adder GM 400 Small-Block Crate Engine

Invest in a powerhouse that can take on even more stress down the line with BluePrint Engines’ help! Their GM 400 small-block crate engine (BP4003CT1) comes built-in with a dual keyway damper and balancer. Meaning, it’s designed to pair with power adders like superchargers and turbochargers. Forged internals do the rest, helping handle the load you put on the engine.

Features and Benefits:
- New high-strength, cast iron engine block with 4.125” bore
- Operates at 511 horsepower and 480 ft.-lbs. torque
- 9.5:1 compression ratio for balance of power and reliability
- 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 with a dual keyway damper and includes balancer
- Built-in BluePrint Engines performance cylinder heads made of aluminum
- Forged steel crankshaft with 3.750" stroke and 5.700" forged rods
- 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:
- Valve covers
- Oil pan
- Timing cover

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

Camshaft Specifications:
- .553” intake / .577” exhaust lift
- 236° intake / 248° exhaust duration
- @ .050-113° lobe separation
- 1.6 roller rockers

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.