S&S Cycle

The S&S Cycle Precision Tappets are a high-performance replacement for both the standard and premium lifters for M8, Twin Cams and late Sportster® applications. Each Precision Tappet is hand...

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:YearMakeModelSubmodel2018-2020Harley-DavidsonFLDE...

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...