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GSC Power Division manganese bronze exhaust valve guide for Honda B16A/B17A/B18C VTEC, 6mm valve stem, +0.003in oversize OD, single. This guide is specified for the listed VTEC engines and valve stem size, supplied in the oversize dimension noted. Intended as a replacement guide to restore correct stem fit, the manganese bronze construction and oversize specification match heads that require reamed or oversized guide bores.
GSC P-D Honda B16A/B17A/B18C VTEC Exhaust Valve Guide 6mm Valve Stem +.003in Oversize OD - Single
