Back-up Washer 2.75″, 3.5″ or 3.75″

Description

The back-up washer is part of the piston cup kit in the rocker arm. It sits between the leather cup and the o-ring seal.

Western part:

3-3/4″  1400 350 300

3-1/2″  1400 350 301

2-3/4″  1400 350 302