Blueprint Engines PSLS4279SCT - Supercharged 427 CID GM LS Compatible Base Dressed Crate Engine with Controller - 800 HP

Components included with this crate engine: Holley Terminator X Max - Gen IV Complete ECU/Harness EFI System 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 Massive Power and Control: Delivers a stunning 800 horsepower and 780 ft. lbs. of torque. Supercharged with a Magnuson TVS2650 for instant, explosive power. Includes the Holley Terminator X Max Gen IV Complete ECU/Harness EFI System for precise engine management. Integrated Holley EFI System: Holley Terminator X Max ECU and harness provide comprehensive engine control. Includes drive-by-wire throttle body, and all sensors needed to run. ECM supplied with calibration. 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. Complete Package: Includes all essential components: coil packs, valve covers, oil pan, water pump, 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.