JIMS, Powerglide Steady Roll tappet. Standard .8420" O.D. - 99-17(NU)Twin Cam; 17-21 M8; 00-21 XL; 08-12(NU)XR1200; 00-10(NU)Buell XB 929687 Low profile for +

Low profile for +

108") and 503769 (

6mm) center to center AMPS hole pattern on the back

With leather paneling for support that will age and show character after some time

- Rear right

JIMS, Powerglide Steady Roll tappet. Standard .8420" O.D. - 99-17(NU)Twin Cam; 17-21 M8; 00-21 XL; 08-12(NU)XR1200; 00-10(NU)Buell XB 929687 Low profile for +This is the Powerglide with a failsafe solid bronze alloy bushing instead of a regular roller bearing. No other differences excist between the regular Powerglide and the Powerglide Steady Roll tappets. Full bearing contact provides more stability, longer life and quieter operation due to the tighter tolerances this bushing design allows. The major drawback of a worn needle bearing roller is they will eventually break, spilling steel needles throughout