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The GSC Power Division manganese bronze exhaust valve guide for Nissan VR30DDTT applications is a stopper-style replacement supplied as a single piece with a +0.001 inch oversize outside diameter. Purpose-built to guide exhaust valve movement in high-stress engines, this bronze construction resists wear and supports consistent valve seating. It’s presented as a direct service part for precision fit in VR30DDTT cylinder heads.
GSC P-D Nissan VR30DDTT Manganese Bronze Stopper Exhaust Valve Guide +.001in Oversize OD - Single
