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GSC manganese bronze intake/exhaust valve guide for GM engines, listed at 2.525 inches length with a .341 inch ID and .5022 inch OD, is available as a single replacement from GSC Power Division. The detailed dimensions support accurate fitment for cylinder head repairs and valve train rebuilding where that size is needed. Sold individually to accommodate targeted repairs.
GSC P-D GM 2.525in L x .341in ID x .5022in OD Manganese Bronze Intake/Exhaust Valve Guide - Single
