In some endurance uses and most oval track applications, it is necessary to use a rev kit for the lifter to precisely follow the profile of the cam. This safety measure ensures that in the event of pushrod breakage or rocker arm failure, the lifter will not come out of the lifter bore. This could cause a loss of oil pressure and subsequently, engine failure Constructed from the toughest extruded aluminum (Big Block Chevrolet kit is a casting). Kit comes with all necessary springs and buttons. Notched to fit the block and should require no machine work. Angle of the spring pocket in the bar has been changed to duplicate the lifter angle in the block. For use with COMP full round body solid roller lifters only.
