JIMS, Powerglide hydraulic tappet. Standard .8420" O.D. - 99-17(NU)Twin Cam; 17-23 M8; 00-22(NU)XL; 08-12(NU)XR1200; 00-10(NU)Buell XB 989656 STOCK STYLE FLAT TOP

STOCK STYLE FLAT TOP

Investment-cast aluminum light housing in either polished or black finish

98% cotton/2% spandex

rocker covers etc

Fiber reinforced paper with a silicone coating on both sides

JIMS, Powerglide hydraulic tappet. Standard .8420" O.D. - 99-17(NU)Twin Cam; 17-23 M8; 00-22(NU)XL; 08-12(NU)XR1200; 00-10(NU)Buell XB 989656 STOCK STYLE FLAT TOPJims Powerglide tappets will give you a superior hydraulic function when compared with OEM style equipment, a billet steel body with hand honed hydraulic unitcavity and an oil fed axle. To get full power, you must have zero valve lash and eliminate collapsing of the hydraulic unit as is found in the OEM unit, also called 'the shock absorber syndrome'. Failing to keep the valve open the full amount results in power loss. The Jims Powerglide tappets