Triumph 500 650 Rocker Valve Inspection Cap O-Ring(s) PN# 70-3751 R E3751

Rocker inspection cap o’ring set to replace the fiber washers used on Triumph 650 twins up to 1972 and 500 twins to 1974. We find these high temperature o’rings seal better than the original fiber type and last longer to boot! Buy individually or multiple quantity discounts. 

For the OEM fiber type click here