GM Marine Big Block Compatible 540 c.i. Pro Series Engine - 670 Horsepower - Base Dressed - Carbureted

Description: Horsepower & Torque: 670 Horsepower / 660 FT LBS Compression Ratio: 10.0:1 Aluminum Heads Hydraulic Roller Cam Forged Crank Forged Pistons Block: BluePrint Engines High Strength Cast Iron Block Manufactured and Machined in the USA! 4-Bolt Main 4.500" 1-Piece Rear Main Seal Mech Fuel Pump Provision: Yes Standard Deck Rotating Assembly: New BluePrint Forged Crankshaft 4.250" Stroke Forged H-beam 6.385" Connecting Rods Forged Pistons Internal Engine Balance Cylinder Heads: BluePrint Aluminum Cylinder Heads - PS8013 Cylinder Heads Feature a .300 in. Raised Exhaust Port vs an OEM Casting 119cc Chamber 2.30" Intake / 1.88" Exhaust Valves 316cc Intake / 124cc Exhaust Runners Cam Specs: Cam Type: Roller .647 Intake / .647 Exhaust Lift 248 Intake / 254 Exhaust Duration @.050-112 Degree Lobe Separation Also Includes: 850cfm Carburetor Edelbrock Aluminum Intake Manifold Distributor Valve Covers Oil Pan Timing Cover Spark Plugs MSD Spark Plug Wires Harmonic Balancer