Hemi 440 Steel Billet Crankshaft 4.100 Stroke yet require less horsepower to

yet require less horsepower to turn

These Speedmaster 8-71 and 6-71 supercharger manifolds are aluminum constructed and suitable for competition or street use

Don't trust any old brackets to hold your alternator

12-point head design and a larger-than-stock shank diameter

stainless steel alloy and are carefully designed to increase gas flow for more power

Hemi 440 Steel Billet Crankshaft 4.100 Stroke yet require less horsepower toSpeedmaster 4340 Billet Steel crankshafts are manufactured from high quality true billet round bar stock. Their performance, strength and horsepower capabilities are significantly outstanding compared to cast forged crankshafts. An engine with a 4340 billet steel crankshaft will rev faster and cleaner due to the different harmonics produced from the high grade material. Those crankshaft are x rayed and ultrasonically tested.