• Upgrade to S&S Cycle performance gear drive camshafts• Replace stock oil pump, cam support plate, cams, quickee pushrods and tappets with all new premium U.S. made S&S Cycle components• Upgrade 1999-'06 models to 2007-'16 style oil pump (included)• Improved engine performance - higher lift and optimized cam timing• Better, more consistent oil pressure• Peace of mind - No worries about cam chain failure (no chains)