Hemi 440 Steel Billet Crankshaft 4.100 Stroke Speedmaster shifters designed to fit

Speedmaster shifters designed to fit most 3 or 4-speed automatic transmissions

This kit features a simple V-belt to serpentine pulley conversion while retaining your existing brackets

These valve covers are TIG-welded and are manufactured to help eliminate distortion and ensure a perfect fit to help protect your valve covers and rocker arms

000 psi tensile strength for the utmost in reliability

and then nitrided for durability

Hemi 440 Steel Billet Crankshaft 4.100 Stroke Speedmaster shifters designed to fitSpeedmaster 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.