This COMP Cams replacement thrust button fits the manufacturer’s two-piece billet aluminum timing covers for Chevrolet Small Block and 90-degree V6 applications, and also fits the 5100 SBC belt drive system. The button rides between the front of the timing gear and the back of the timing cover and is available in solid nylon and roller thrust bearing styles to suit different endplay and wear preferences.
COMP Cams Replacement Button For 210