JIMS, 84-up roller rocker arm set. Std 1.625 ratio

JIMS, 84-up roller rocker arm set. Std 1.625 ratio

Cast from 4340 chromoly steel and heat treated. With 660 alloy bronze bushing fit of .0007" to .0012" which is used for best wear resistance and oil control. Roller tip is made bearing grade material for longer life. With standard 1.625 rocker arm ratio. Works with stock and stock like components. For replacement parts see: 978033 roller. 978034 axle, roller tip. 978035 lock ring, rocker arm.

Fits: > 84-99(NU)Evo B.T.; 99-17(NU)Twin Cam; 86-20 XL; 08-12(NU)XR1200; 91-10(NU)Buell XB