GM LS Compatible 427 c.i. ProSeries Engine - 625 Horsepower - Base Dressed - Carbureted

Description: Horsepower & Torque: 625 Horsepower / 550 FT LBS Compression Ratio: 11:1 Aluminum Heads Hydraulic Roller Cam Forged Crank Forged Pistons Block: OEM Aluminum 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 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 247 Intake / 263 Exhaust Duration @.050-114 Degree Lobe Separation Ignition Timing: Ignition box required Also Includes: Holley 850cfm Double Pumper Carburetor w/ Manual Choke Single Plane Aluminum Intake Harmonic Balancer Valve Covers Retro Fit Oil Pan Timing Cover Coil Packs and Coil Pack Harness Spark Plugs and Wires & Wiring Harness Notes: This engine requires a non-weighted flex plate/flywhee