GSC Power Division oversize exhaust valve guide for Nissan VR38DETT is listed as +.003in OD for the 6.6mm stem, stopper-style and sold as a single guide. This part offers a controlled oversize option for builders addressing valve-to-guide clearance on VR38DETT engines during head servicing or fitment adjustments.
GSC P-D Nissan VR38DETT +.003in OD Oversize 6.6mm Stem Exhaust Valve Guide Stopper Style - Single