GM Small Block Compatible 454 c.i. ProSeries Engine - 563 Horsepower - Long Block

Description: Horsepower & Torque: 563 Horsepower / 545 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! Drilled and Tapped for Clutch Linkage Mech Fuel Pump Provision: Yes Passenger Side Dipstick 1-Piece Rear Main Seal 4-Bolt Main 4.250" Bore Rotating Assembly: BluePrint Forged Crankshaft 4.000" Stroke Forged 6.000" Connecting Rods Forged Pistons Internally Balanced Front and Rear Cylinder Heads: BluePrint Aluminum Cylinder Heads - HP8103 64cc Chamber 2.08" Intake / 1.60" Exhaust Valves 220cc Intake / 67cc Exhaust Runners Cam Specs: Hydraulic Roller .638 Intake / .622 Exhaust Lift 251 Intake / 259 Exhaust Duration @.050-114 Degree Lobe Separation Also Includes: Valve Covers - BPP9518 Harmonic Balancer Timing Cover Oil Pan