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GSC Power Division manganese bronze exhaust valve guide set for 4G63 engines, sold as a set of eight. These bronze guides are offered as direct-fit replacements for worn exhaust guide bores and aim to restore correct valve positioning and sealing geometry in 4G63 cylinder heads during routine machining or rebuild work.
GSC P-D 4G63 Manganese Bronze Exhaust Valve Guide - Set 8
