RIVA Racing

These are direct replacements for the original ceramic 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: Must be used with 2006 style Sea-Doo supercharger shaft part# 420881946. RS1751-HDW-946 washer set is designed to be used with the original supercharger shaft found on 2006 & 2007 185 & 215 models. If supercharger was rebuilt using OEM rebuild kit part# 420881102, use washer kit part# RS1751-HDW-948.