The General Motors LS1 engine has become one of the most popular performance engine platforms today, chiefly because of its high horsepower potential. COMP Cams® new Mechanical Roller Tappets and High Performance Valve Locks help insure dependable LS1 engine performance regardless of the application, from daily driving to full blown competition.

    The COMP Cams® LS1 Mechanical Roller Tappets feature solid rollers mounted on tooled steel axles with precision INA wheel and needle bearing assemblies. An EDM oil feed hole insures excellent lubrication and long life. Each lifter body is fully heat-treated, machined to ultra-high tolerances and includes the COMP Cams® patented link bar.