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The GSC intake valve guide for Honda K20 and K24 VTEC engines is a manganese bronze replacement provided as a single unit with a +.001in oversize outer diameter. It serves as a direct-fit guide to preserve valve stem positioning and reliable operation in serviced or rebuilt cylinder heads. The slight oversize helps ensure correct seating and clearance where guide bores have been refitted.
GSC P-D Honda K20/K24 VTEC Manganese Bronze Intake Valve Guide +.001in Oversize OD - Single
