Riva Heavy-duty Supercharger Clutch Washers '04-05

These are direct replacements for the original clutch washers that are prone to fail on modified engines. Precision machined from tool grade steel to increase durability. Will not break up and damage engine at end of service life.

NOTE: BRP recommends that you replace the Supercharger shaft/clutch assembly when servicing your supercharger. Order part# 420881100 (`08 spec). Part 420881100 requires the '08 Washer Set (part# RS1751-HDW-948).