Upgrade to S&S bolt-in performance camshafts Improves engine performance - higher lift and optimized cam timing S&S Quickee pushrods - easy installation, without removing rocker covers Replaces stock oil pump, cam support plate, cams, chain tensioners, and tappets with all-new, premium U.S. made S&S components Gear-drive kit offers peace of mind - no more worries about cam chain failure Chain-drive kit includes S&S Hydraulic Cam Chain Tensioners for improved valve timing and chain life Made in the U.S.A.. CAMS 510G W/PLATE 99-06