BluePrint Engines Pro Series Chevy 454 C.I.D. 563 HP Base Long Block Crate Engines

For those wanting maximum horsepower and durability, BluePrint Engines Pro Series Chevy 454 c.i.d. 563 hp base long block crate engines are right for you. In addition, every BluePrint engine is dyno-tested to make sure they hit their target horsepower and torque. Pro Series 454 base long blocks feature: * 563 hp, 545 ft.-lb., compression ratio 10.0:1 * BluePrint cast iron block with 4-bolt main --4.250 in. bore --1-piece rear main seal --Mechanical fuel pump provision --Passenger side dipstick --Drilled and tapped for clutch linkage * Forged crankshaft and connecting rods * Forged pistons with rings * Internal front/internal rear balanced rotating assembly * BluePrint aluminum cylinder heads --64cc chamber --2.08 in. intake/1.60 in. exhaust valves --220cc intake/67cc exhaust runners * Hydraulic roller cam --.638 intake/.622 exhaust lift --251 intake/259 exhaust duration @ .050 --114 degree lobe separation * Valve covers, oil pan, and timing cover * Harmonic balancer Show Less