This GSC Power Division manganese bronze intake valve guide for Audi R8 V10 is a single oversize replacement with +.003in OD. Offered individually, it supplies a catalog-specified larger diameter guide for heads needing bore correction, enabling selective replacement to restore proper valve guide fit and maintain intended valve travel alignment in R8 V10 engines.
GSC P-D Audi R8 V10 Manganese Bronze Intake Valve Guide +.003in Oversize OD - Single