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The GSC exhaust valve guide is a single replacement guide with stopper for Nissan SR20DET and RB26 engines. Supplied as an individual unit, it provides the service component needed when addressing exhaust-side wear during head work. Use it to re-establish proper valve stem guidance and clearance in exhaust ports for those specific engine applications.
GSC P-D Nissan SR20DET/RB26 Exhaust Valve Guide w/Stopper - Single
