The GSC intake valve guide for 2000–2009 Honda S2000 engines is a manganese bronze replacement supplied as a single unit with a +.003in oversize outer diameter. It is intended as a direct replacement guide to keep valve stems centered and operating smoothly after head work or wear repair. The oversize option helps ensure a precise interference fit when the guide bore is machined slightly larger.
GSC P-D 00-09 Honda S2000 Manganese Bronze Intake Valve Guide +.003in Oversize OD - Single