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GSC Power Division manganese bronze exhaust valve guide shorty stopper set for 4G63 engines, sold as a set of eight. This variation supports exhaust-side valve guidance with the shorter stopper profile where applicable, intended for direct replacement during cylinder head service or machining to restore correct valve travel and seating geometry.
GSC P-D 4G63 Manganese Bronze Exhaust Valve Guide Shorty Stopper- Set 8
