BluePrint Engines Chev 396 Small Block 485HP Stroker Base Crate Engine BP3961CTBluePrint Engines Chev 396 Small Block 485HP Stroker Base Crate Engine BP3961CT BluePrint Engines 396CI Stroker Crate Engine Small Block GM Style Longblock Aluminum Heads Roller Cam HP Torque: 491 HP 509 FT LBSCompression Ratio: 10. 4: 1Aluminum HeadsHydraulic Roller CamForged CrankForged Pistons BLOCK: NEW BluePrint Cast Iron BlockManufactured and Machined in the USA! Align honed main bearing boreCylinders honed on computer controlled machine to