GM LS Compatible 427 c.i. Engine and TKX Manual Transmission - 605 Horsepower - Standard Edition Builder Series - Holley Terminator X EFI

Description: Horsepower & Torque: 605 Horsepower / 565 FT LBS Compression Ratio: 11:1 BluePrint Engines LS3 Aluminum Heads BluePrint Engines Hydraulic Roller Cam BluePrint Engines Forged Crank BluePrint Engines Forged Pistons Block: BluePrint Engines High Strength Cast Iron (LSX Style) Block Increased Deck Thickness and Strength Webbing Utilizes OEM LS3 Front and Rear Covers Improved Water Jacket Design Extended Cylinder Skirt 1-Piece Rear Main Seal Priority Main Oiling 4.0665" Bore 6-Bolt Main Rotating Assembly: Forged Crankshaft 4.125" Stroke Forged 6.125" Connecting Rods Forged Pistons Internally Balanced Front and Rear Cylinder Heads: BluePrint Aluminum Cylinder Heads - PS8015 70cc Chamber 2.165" Intake / 1.600" Exhaust Valves 259cc Intake / 102cc Exhaust Runners Cam Specs: Hydraulic Roller .624 Intake / .624 Exhaust Lift 239 Intake / 255 Exhaust Duration @.050-114 Degree Lobe Separation Ignition Timing: ECM supplied with calibration Holley Terminator X Max Spe