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This single GSC exhaust valve guide is a standard‑size replacement for Honda K20C1 CTR applications. Supplied individually, it restores proper valve alignment and guides the exhaust valve during operation. Intended as a direct replacement where standard bore dimensions are required, it supports routine valve‑train rebuilds and should be used with appropriate valve train service procedures and fitment verification.
GSC Honda K20C1 CTR (STD) Exhaust Valve Guide - Single
