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GSC Power Division manganese bronze exhaust valve guide for Nissan VK56 engines, offered as a single unit with +.003in oversize OD. The +.003in oversize option addresses clearance issues encountered during cylinder head reconditioning. This guide is intended to replace worn components and re-establish correct valve-to-guide alignment for dependable exhaust valve operation after installation.
GSC P-D Nissan VK56 Manganese Bronze Exhaust Valve Guide +.003in Oversize OD - Single
