S&S Cycle

The 540C cam was designed to add even more stump pulling torque to your big bore M8, for those that keep the revs below 6000 rpm.This Part Fits:YearMakeModelSubmodel2018-2021Harley-DavidsonFLFBS Fat...

The 100" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Bump the early Twin Cam from 88ci to 100ci as well as adding...

Type: 550C Rear; Timing Open: Intake 3.1º/Exhaust 59.4º; Timing Closed: Intake 31.1º/Exhaust 38.4º; Duration at 0.053: Intake 214.2º/Exhaust 277.8º; Valve Lift : Intake 0.550"/Exhaust 0.550"; Lift at...

The S&S Complete Chain Drive Cam Chest Kit removes any doubt about the condition of the critical parts in the cam chest of your 1999-'17 Harley-Davidson big twin. Replace it all - oil pump, cam...

The 509 Touring Cam is designed as a bolt-in, high torque cam for 1999-'06 models, except 2006 HD® Dyna®. 180 psi cranking compression, no need for compression releases. For 88 CID engines with stock...

Fit all HD® Evolution®, HD® Big Twin engines, 1986-'90 Sportster® models, and are used in S&S® engines for 1966-'84 Big Twin chassisThis Part Fits:YearMakeModelSubmodel1997-1999Harley-DavidsonFLHR...