The GSC Power Division intake/exhaust valve guide set for GM applications is a set of eight manganese bronze guides specified at 2.225 in length, .341 in inner diameter and .5022 in outer diameter. These valve guides are intended for valve guidance in GM cylinder heads and are supplied as a complete set of eight to service multiple valves during rebuild or repair work.
GSC P-D GM 2.225in L x .341in ID x .5022in OD Manganese Bronze Intake/Exhaust Valve Guide - SET OF 8