GSC P-D Subaru EG33 Manganese Bronze Exhaust Valve Guide - Set 12 - 3009-12

GSC P-D Subaru EJ205/EJ207/EJ263 Manganese Bronze Intake Valve Guide Traditional - Single - 3028

GSC P-D Subaru SOHC EJ25 Intake/Exhaust Manganese Bronze Valve Guide Stopper Style - Single - 3019

GSC P-D BMW 335i E92 L6 Manganese Bronze Exhaust Valve Guide +.001in OD - Single - 3089.001-1

GSC P-D Nissan VR38DETT Manganese Bronze Exhaust Valve Guide +.003in Oversize OD - Single - 3045.003-1