S&S Cycle 320-0397 Flywheel Assembly - 4in. Stroke

Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!

Flywheel assemblies are designed for use with Timken-style sprocket shaft bearings.
S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671in. crankpin.
Fit directly in stock crankcases with no modifications.
For 88in., 95in., and 100in. displacement in Twin Cam A and B motors with 4in. stroke.
4in. stroke flywheels can also be used in 03-06 motors when the left side main bearing is converted to a Timken-style bearing.
Made in the U.S.A..

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