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GSC manganese bronze intake/exhaust valve guide for GM engines, 2.1 inches long with a .341 inch ID, .5022 inch OD and a .35 inch taper, is supplied singly by GSC Power Division. The taper and dimensions are listed to aid correct selection for head rebuilds and valve train repairs where tapered guides are required. Sold individually to permit targeted replacement.
GSC P-D GM 2.1in L x .341in ID x .5022in OD .35in Taper Intake/Exhaust Valve Guide - Single
