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This Supertech manganese bronze stopper exhaust valve guide is a single replacement for Subaru EJ20 and EJ25 engines sized for a 6mm stem, available as a drop-ship item. It’s intended for head servicing where a stopper-style guide is required to control valve movement and restore proper clearance, helping ensure consistent exhaust valve seating in EJ20/EJ25 applications.
Supertech Subaru EJ20 25 6mm Stem Manganese Bronze Stopper Exhaust Valve Guide - Single (D/S Only)
