BluePrint Engines PSLS4273CTFKB - 427 CID GM LS Compatible Dressed Longblock w/ EFI - 605HP

Horsepower 605HP Torque 565FT/LBS Compression Ratio 11 to 1 Block New BluePrint 6.2L LS Cast Iron Block Pistons Forged Rotating Assembly Forged Steel Crank - 4.125 in. Stroke and Forged 6.125 in. Rods Heads BluePrint Engines LS3 Aluminum Cylinder Heads Camshaft Specs Hyd Roller, .624 Int / .624 Exh and 239 Int / 255 Exh dur @ .050 - 114 LSA , three bolt cam Unleash exhilarating power with this dyno-proven BluePrint Engines 6.2L LS crate engine, packing 605 HP and 565 lb-ft of torque. This is a high-performance, nearly complete package, featuring a forged rotating assembly, Holley Terminator X Max EFI, and a full front accessory drive. Key Features: Dyno-Proven 605 HP / 565 lb-ft Torque 11:1 Compression BluePrint High-Strength 6.2L Block (6-Bolt Main) Forged Internals: Crankshaft, Connecting Rods, and Pistons BluePrint Aluminum Cylinder Heads (PS8015) Aggressive Hydraulic Roller Cam Complete Engine Package: Holley Terminator X Max EFI System (ECU, Harness, Throttle Pedal, Sensors) Front Accessory Drive (Water Pump, A/C, Alternator, Power Steering) Drive-by-Wire Throttle Body, 42# Injectors, Returnless Fuel Rail Harmonic Balancer, Valve Covers, LS Swap Oil Pan, Timing Cover Coil Packs, Spark Plugs & Wires, GM Plastic Intake Manifold High Performance, Near Drop-In: This engine is designed for serious performance enthusiasts and comes with nearly everything needed for installation, including the advanced Holley EFI system and a complete front accessory drive. Important Notes: Transmission Control: The included Holley Terminator X Max ECU does not control the transmission. A separate transmission controller is required for automatic transmissions. Front Accessory Drive Fitment: While designed for wide compatibility, it's the customer's responsibility to measure and confirm fitment. Modifications may be necessary. Requires a non-weighted flexplate/flywheel. Recommended fuel: 91 Octane. Recommended stall converter: 2200+ RPM. Retrofit oil pan fits most 1955-1995 GM front engine, RWD, V8 cars. Not for use in pollution-controlled vehicles or dry sump applications. Recommended: Air Intake Kit BPPLS01013 for optimal performance.