GM Big Block Compatible 598 c.i. ProSeries Engine - 741 Horsepower - Deluxe Dressed with Polished Pulley Kit - Carbureted

Description: Horsepower & Torque: 741 Horsepower / 703 ft. lbs. Torque Compression Ratio: 10.5:1 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 4.600" Bore Rotating Assembly: BluePrint Forged Crankshaft 4.500" Stroke Forged H-beam 6.480" Connecting Rods Forged Pistons Internally Balanced Front and Rear Cylinder Heads: BluePrint Aluminum Cylinder Heads - PS8012 119cc Chamber 2.30" Intake / 1.88" Exhaust Valves 358cc Intake / 125cc Exhaust Runners Cylinder Heads Feature a .300 in. Raised Exhaust Port vs an OEM Casting Must Verify Header / Exhaust Clearance Cam Specs: .647 Intake / .647 Exhaust Lift 258 Intake / 266 Exhaust Duration @ .050-112 Degree Lobe Separation Ignition Timing: 34° Total Timing Also Includ