Blueprint Engines PSLS4279SCTKB - Supercharged 427 CID GM LS Compatible Deluxe Dressed Crate Engine with Black Pulleys - 800 HP

Components included with this crate engine: Holley Terminator X Max - Gen IV Complete ECU/Harness EFI System Black Front Accessory Drive with Power Steering Pump, Water Pump, Alternator, and Air Compressor Horsepower 800HP Torque 780FT/LBS Compression Ratio 11 to 1 Block New BluePrint block, 1 piece rear main sale, 6 bolt main Pistons Forged Rotating Assembly Forged Crank - 4.125 in. Stroke and 6.125 in. Rods Heads BluePrint Engines Aluminum Cylinder Heads Camshaft Specs Hyd Roller, .624 Int / .624 Exhaust, 239 Int / 255 Exh dur @ .050 - 114 LSA Ultimate Power and Style: Delivers a massive 800 horsepower and 780 ft. lbs. of torque. Supercharged with a Magnuson TVS2650 for instant power. "Deluxe Dressed" with a full front accessory drive system, featuring a stylish black pulley kit. Blacked-Out Accessory Drive: Includes power steering pump, water pump, alternator, and air compressor in a sleek black finish. Adds a custom, high-performance aesthetic. Integrated Holley Terminator X Max EFI: Holley Terminator X Max Gen IV ECU/Harness for precise engine management. Includes drive-by-wire throttle body, and all sensors needed to run. ECM supplied with calibration. Terminator X MAX is capable of transmission control but requires additional Transmission harness Such as BPP558405 if pairing to 96-08 4L60E or 4l80E. Large Displacement Power: 427 cubic inch displacement for exceptional power and torque. 4.125" stroke. High-Performance Components: BluePrint Engines High Strength Cast Iron Block for maximum durability. Forged crankshaft and pistons for superior strength. BluePrint Engines LS3 Aluminum Cylinder Heads for optimal airflow. Comprehensive Engine Package: Includes all essential components: coil packs, valve covers, oil pan, timing cover, spark plugs & wires, and harmonic balancer. Utilizes OEM LS3 front and rear covers. Performance-Tuned Design: Aggressive hydraulic roller camshaft with high lift and duration. 11:1 compression ratio, optimized for supercharged performance. Priority main oiling and improved water jacket design. Built for Strength: 6-bolt mains, extended cylinder skirt, and increased deck thickness. Internally balanced rotating assembly. Air intake recommendation: BluePrint engines recommends Air Intake Kit BPPLS01013 to maintain MAF calculations and Dyno calibration.