GSC Power Division manganese bronze exhaust valve guide for Honda VTEC B16A, B17A and B18C engines, sold as a single unit. This replacement exhaust guide is intended for use during cylinder head service or engine rebuilds on supported VTEC applications and matches the exhaust guide specification required by those Honda engine variants for proper fitment.
GSC P-D Honda VTEC B16A/B17A/B18C Manganese Bronze Exhaust Valve Guide - Single