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 165mm pullback

165mm pullback

98% cotton/2% spandex

Plug & play replacement for the OEM instruments

rocker covers etc

STOCK STYLE FLAT TOP

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 165mm pullbackJims 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