BluePrint Engines PSLS4273CTF - 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 427 CID GM LS Compatible Dressed Longblock w/ EFI 605HP SKU: PSLS4273CTF Dominate the street or track with this dyno-proven BluePrint Engines 6.2L LS crate engine, producing a potent 605 HP and 565 lb-ft of torque. This engine features a forged rotating assembly and comes complete with the advanced Holley Terminator X Max EFI system. Key Features: Dyno-Proven 605 HP / 565 lb-ft Torque 11:1 Compression BluePrint High-Strength 6.2L Block (6-Bolt Main) Forged Rotating Assembly: Crankshaft, Connecting Rods, Pistons BluePrint Aluminum Cylinder Heads (PS8015) Aggressive Hydraulic Roller Cam Holley Terminator X Max - Gen IV EFI System Included: ECU, Harness, Throttle Pedal, and Sensors 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 Complete EFI Control: This engine includes the powerful Holley Terminator X Max EFI system, providing precise fuel and ignition control for optimal performance. Important Transmission Note: The included Holley Terminator X Max ECU does not control the transmission. A separate transmission controller is required for automatic transmissions. Important Notes: 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.