Installation Time
(approx) a Weekend
Difficulty Level:
Mechanical expertise or professional installation required.
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BluePrint Engines Small Block Chevy 400 C.I. 500 HP Long Block Crate Engine
Item U18897-AM
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- 500 Horsepower / 510 Ft. Lbs. Torque
- BluePrint Engines Aluminum Cylinder Heads, Model HP8103
- 10.3:1 Compression Ratio
- Hydraulic Roller Cam with .555 Intake / .576 Exhaust Lift and 236 Intake / 242 Exhaust Duration @ .050 with 110° Lobe Separation Angle
- Forged Pistons
- Forged Steel Crankshaft with 3.750" Stroke and 5.700" Connecting Rods
- Fuel Recommendation: 91+ Octane
- BluePrint Engines High Strength Cast Iron Block with Drilled and Tapped Clutch Linkage Provision and Mechanical Fuel Pump Provision
- Passenger Side Dipstick with 1-Piece Rear Main Seal and 4-Bolt Main
- 4.125" Bore
- Internally Balanced Front and Externally Balanced Rear Rotating Assembly
- BluePrint Aluminum Cylinder Heads with 64cc Chamber and 2.08" Intake / 1.60" Exhaust Valves with 220cc Intake / 67cc Exhaust Runners
- Ignition Timing: 10-16° Initial and 32-34° Total at 3500 RPM
- Includes Valve Covers, Timing Cover, and Oil Pan
- Not for EGR
- Performance Aluminum Cylinder Heads Feature a .500" Raised Port Versus OEM
Description
HIGH-PERFORMANCE ENGINE. The BluePrint Engines Small Block Chevy 400 C.I. 500 HP Long Block Crate Engine delivers 500 horsepower and 510 ft. lbs. of torque. It is designed for enthusiasts seeking durable and reliable muscle car performance and serves as a complete long block assembly, ready for high-output GM small block compatible engine builds.
CONSTRUCTION AND APPEARANCE. This engine is built with a high-strength cast iron block and premium forged internals, including pistons and crankshaft, for durability under high performance. Aluminum cylinder heads feature a raised port design to enhance airflow. The engine is fully finished with valve covers, timing cover, and oil pan, presenting a robust, race-inspired assembly.
INSTALLATION. Installation is straightforward for experienced professionals, as the block includes factory-machined provisions for clutch linkage and mechanical fuel pump mounting. The long block configuration simplifies integration into compatible vehicles without the need for additional drilling or modifications.
WARRANTY. This engine comes with a 30-month or 50,000-mile warranty covering parts and labor, providing confidence in its build quality.
BluePrint Engines BP4002CT1
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
Installation Info
What's in the Box
- (1) Engine
5.0
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