GSC Power Division manganese bronze intake/exhaust valve guide, stopper style, for Subaru EJ25 SOHC, +0.001in oversize OD, single. The stopper style indicates the guide includes a locating feature for consistent installation and valve positioning. Made from manganese bronze and supplied oversize, it serves as a replacement guide to restore correct stem-to-guide clearance when the head has been machined or reamed.
GSC P-D Subaru EJ25 SOHC Intake/Exhaust Valve Guide Stopper Style +.001in Oversize OD - Single