Made of high-strength forged steel and designed for stock and high-performance custom applications. Special keyed 6° large diameter tapered sprocket shaft that provides more contact area for increased strength. Machined with timing notches compatible with factory crank position sensor. Standard S&S tapered crankpin and pinion shaft are used for ease-of-service. Balanced to stock HD 80" pistons. Includes flywheel, crankpin and connecting rods. Made in the U.S.A..
