Get the proven performance of the S&S cam chest kit (upgraded cam plate, oil pump, tappets, cuffs, and pushrods) while maintaining the freedom to use any cam you like for your Twin Cam or M8 with this new kit.

475G Rear, Duration at 0.053: 213.5º/252.9º, Lift at TDC: .093"/.170", Timing Open: 2.2º/52.5º, Timing Closed: 31.2º/20.2º, Valve Lift: .475"/.475"This Part Fits:YearMakeModelSubmodel2018-2021Harley-DavidsonFLFBS Fat Boy...