BMW 6L45 AUTO 6-SPD

This ATK High Performance 383 Stroker Stage 3 long block crate engine is designed for muscle cars and street rods, offering 450 horsepower and 470 ft./lbs. of torque. It features a cast iron block, a nodular iron crankshaft, forged I-beam connecting rods, and forged pistons. The engine includes aluminum cylinder heads with 64cc combustion chambers, 2.020" intake valves, and 1.600" exhaust valves. It comes with a hydraulic roller camshaft with 230/234 duration at .050" and .528"/.536" lift, a double roller timing set, and aluminum roller rocker arms. The engine is internally balanced at the front and externally balanced at the rear, requiring a specific flexplate/flywheel. This is a carbureted engine designed for performance street applications.