The GSC Power Division manganese bronze valve guide set for EcoBoost 2.3 4-cylinder applications is supplied as a set of eight and supports use on either intake or exhaust valves where that specification applies. These valve guides are offered to match the EcoBoost 2.3 4Cyl configuration and provide a like-for-like replacement set when that material and count are required.
GSC P-D EcoBoost 2.3 4Cyl Manganese Bronze Intake OR Exhaust Valve Guide - SET OF 8