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The GSC intake valve guide for Mitsubishi 4G63T engines is a manganese bronze replacement offered in a +.003in oversize outer diameter and sold as a single unit. It functions as a direct-fit guide to maintain valve alignment and smooth valve stem motion in rebuilt or high-use heads. The single-piece supply suits targeted repairs or staged engine refreshes where precise valve guidance is required.
GSC P-D Mitsubishi 4G63T Manganese Bronze Intake Valve Guide +.003in Oversize OD - Single
