GSC Honda K20C1 CTR Exhaust Valve Guide +.003in OD - Single - 3121.003-1

GSC P-D Honda K20/K24 VTEC Intake Valve Guide Stopper Style +.001in Oversize OD - Single - 3024.001-1

GSC P-D Honda K20/K24 VTEC Exhaust Valve Guide Stopper Style 6mm ID +.003in OD - Single - 3021.003-1

GSC P-D Honda K20/K24 VTEC Manganese Bronze Exhaust Valve Guide +.003in Oversize OD - Single - 3053.003-1

GSC P-D Honda B16A/B17A/B18C VTEC Manganese Bronze Exhaust Valve Guide +.001in OD - Single - 3051.001-1