BluePrint Engines Chev 427 SBC Stroker Crate Engine Dressed 540hp # PS4272CTC1BluePrint Engines Chev 427 SBC Stroker Crate Engine Dressed 540hp # PS4272CTC1 Blueprint Chev 427 Small Block Stroker Crate Engine Dressed 540hp HP Torque: 540 HP 535 FT LBSCompression Ratio: 10. 0: 1Aluminum HeadsHydraulic Roller CamForged CrankForged Pistons BLOCK: NEW BluePrint Cast Iron BlockManufactured and Machined in the USA! 4 Bolt Main4. 125" Bore2 Piece Rear Main SealMech fuel pump provision: YesPassenger Side Dipstick Drilled and tapped for