GSC P-D Toyota 2JZ +.001in Oversize OD Manganese Bronze Exhaust Valve Guide Stopper Style - Single

This listing is for a single GSC Power Division exhaust valve guide stopper for Toyota 2JZ engines. It's made from manganese bronze and is designed to be an oversize OD part, measuring +.001 inches larger than stock. This stopper style is specifically for the exhaust side of your valve train.

Manganese bronze is a well-known material for valve guides and stoppers because it offers good wear resistance and lubricity, which helps prevent galling and ensures smooth operation of the valve stem. This particular part is a +.001 inch oversize OD, meaning it's intended for applications where the valve guide bore has been machined to accommodate a slightly larger diameter guide. This is often done during an engine rebuild to ensure a precise fit and proper valve sealing.