S&S 4-3/8in Stroke Flywheel Assembly for Harley Big Twin 2007-2016

Description

Upgrade your Harley-Davidson® Big Twin engine (2007-2016) with the S&S 4-3/8" Stroke Flywheel Assembly. This precision-crafted, 3-piece flywheel is made from durable 4140 steel and features integral main shafts and a larger 1.671" crankpin for superior strength. Designed for use with Timken bearing conversions, it installs directly into stock crankcases without modification. The sprocket shaft comes with a bearing race pressed on, compatible with stock roller style sprocket shaft bearings.

Note: Requires S&S pistons; not compatible with stock pistons. Made in the U.S.A.