GM LS Compatible 427 c.i. Engine and 4L65/70E Automatic Transmission - 625 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Fuel Injected

Description: Horsepower & Torque: 625 Horsepower / 565 FT LBS Compression Ratio: 11:1 Aluminum Heads Hydraulic Roller Cam Forged Crank Forged Pistons Block: OEM Block Machined in the USA! 6-Bolt Main 4.0685" Bored 1-Piece Rear Main Seal Rotating Assembly: New Forged Crankshaft 4.125" Stroke Forged 6.125" Connecting Rods Forged Pistons Front and Rear Internally Balanced Cylinder Heads: BluePrint Aluminum Cylinder Heads - PS8015 70cc Chamber 2.165" Intake / 1.590" 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 Also Includes: Drive by Wire Throttle Body LS3 Intake Manifold 42# Injectors and Returnless Fuel Rail Harmonic Balancer Valve Covers, Retro Fit Oil Pan and Timing Cover Coil Packs Spark Plug and Wires Wiring Harness Gas Pedal Front Accessory Drive with Alternator, A/C Compressor, Power