GSC Power Division manganese bronze exhaust valve guide for Audi R8 V10 engines, supplied as a single unit with +.001in oversize OD. This guide is intended for replacing a damaged or worn exhaust guide and provides the stated oversize to correct valve-to-guide clearance. It supports accurate valve alignment and is suitable when an oversize fit is required during cylinder head service.
GSC P-D Audi R8 V10 Manganese Bronze Exhaust Valve Guide +.001in Oversize - Single