Rocker Arm Shims - Large 0.030

EMPI. Rocker Shaft Shims Only, .030" Thickness, Set of 8. For LARGE diameter rocker shafts. ID 19.5mm
Replace the wave washers on the stock rocker shaft set-up. Eliminates excess side play and maintains proper valve train geometry. Each kit contains 8 shims. All shims are zinc plated. These shims will work on 17-2954, 21-2308 and 21-2309. 21-2166-0