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The GSC intake valve guide for Hyundai G4KF Theta engines is a manganese bronze replacement offered as a single unit with a +.003in oversize outer diameter. It provides direct-fit valve guidance to keep valve stems centered and operating smoothly after head service or rebuild. The larger oversize is intended for bores that require a bigger guide to achieve proper interference and long-term fit.
GSC P-D Hyundai G4KF Theta Manganese Bronze Intake Valve Guide +.003in Oversize OD - Single
