HY-REV LIFTER 91-99 XL

V-Thunder™ Tappet Assembly

• 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