GM LS Compatible 376 c.i. ProSeries Engine - 520 Horsepower - Long Block

LS Retrofit engine with Carbureted intake, designed for customers looking to finish off an LS with their own induction or dress up equipment. Description Horsepower & Torque: 520 Horsepower / 470 FT LBS Compression Ratio: 10.7:1 Aluminum Heads Hydraulic Roller Cam Nodular Iron Crankshaft Hypereutectic Pistons Block: New GM 6.2L Aluminum Block OEM Block Machined in the USA! 6-Bolt Main 1-Piece Rear Main Seal 4.060" Bore Rotating Assembly: Nodular Iron crankshaft 3.622" Stroke 6.098" connecting rods w/ 150,000 psi bolts Hypereutectic Pistons Internally Balanced Cylinder Heads: BluePrint Aluminum Cylinder Heads - PS8015 72cc Chamber 2.165" Intake / 1.600" Exhaust Valves 259cc Intake / 102cc Exhaust Runners Cam Specs: Cam Type: Roller Cam .612 Intake / .585 Exhaust Lift 225 Intake / 238 Exhaust Duration @.050-113 Degree Lobe Separation Ignition Timing: Ignition Box Required - BluePrint Engines Recommends MSD 6014 Ignition system  Also Includes: GM Muscle Car Swap Oil Pan