GSC manganese bronze intake/exhaust valve guide for GM engines, 2.25 inches long with a .341 inch ID, .5022 inch OD and a .35 inch taper, is offered as a single replacement from GSC Power Division. These dimensional and taper details support accurate fitment for cylinder head servicing that requires tapered guides. Supplied individually for selective guide replacement during repairs.
GSC P-D GM 2.25in L x .341in ID x .5022in OD .35in Taper Intake/Exhaust Valve Guide -Single