Description
Upgrade your Harley-Davidson® Twin Cam "B" engine (1999-2006) with this S&S Cycle 4-3/8" Stroke Flywheel Assembly. Made from high-strength 4140 steel, these 3-piece flywheels feature integral main shafts and a larger 1.671" crankpin, offering unmatched durability and performance. Designed to fit directly into stock crankcases with no modifications required. This assembly does not include a sprocket bearing race and is intended for use with a Timken bearing conversion (sold separately). Suitable for 96"/103"/106"/110"/117" big bore engines with stock or S&S pistons. Made in the U.S.A.
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