GM Big Block Compatible 540 c.i. ProSeries Engine - 670 Horsepower - Base Dressed - Carbureted

Description: Horsepower & Torque: 670 Horsepower / 660 FT. LBS. Torque Compression Ratio: 10.0:1 BluePrint Engines Aluminum Heads BluePrint Engines Hydraulic Roller Cam BluePrint Engines Forged Crank BluePrint Engines Forged Pistons Block: BluePrint Engines High Strength Cast Iron Block Manufactured and Machined in the USA! Mech Fuel Pump Provision: Yes 1-Piece Rear Main Seal Standard Deck 4-Bolt Main 4.500" Bore Rotating Assembly: BluePrint Forged Crankshaft 4.250" Stroke Forged H-beam 6.385" Connecting Rods Forged Pistons Internally Balanced Front and Rear Cylinder Heads: BluePrint Aluminum Cylinder Heads -PS8013 119cc Chamber 2.30" Intake / 1.88" Exhaust Valves 316cc Intake / 124cc Exhaust Runners Cylinder Heads Feature a .300 in. Raised Exhaust Port vs an OEM Casting Must verify header/exhaust clearance Cam Specs: Hydraulic Roller .647 Intake / .647 Exhaust Lift 248 Intake / 254 Exhaust Duration @ .050-112 Degree Lobe Separation Also Includes: Holley 850cfm Doubl