High Flow Mechanical Lightweight Lifter Chevrolet V8 & Buick V8

High Flow Light Weight Mechanical Lifters .842" OD These lifters metered to flow up to 6 GPH to the top end for 50% more oil flow to the top end. This extra oil flow is cools the rocker, & spring assembly and dissipates excessive heat away from these critical components to prolong valve spring and rocker life..