COMP CAMS V-Thunder Tappet Assembly XL 7410-1

Features an oil metering design that provides uniform metering throughout the entire rpm range, Rollers and axles are manufactured from high-carbon/chromium bearing-quality steel, which is through-hardened for improved wear and load-carrying capability, and the pushrod seat is carbo-nitrided, Each unit is 100% tested for proper function, HY-REV hydraulic roller lifter features internal hydraulic check valve, which allows for higher rpm, Made in the U.S.A., PRO-MAGNUM hydraulic roller lifter requires adjustable pushrods