This GSC P-D exhaust valve is a single oversize (+1mm) replacement for the Nissan VR38DETT, with a 33.15mm head, 91.95mm overall length and a 6.6mm stem. The listing denotes an OS (+1mm) size and is intended for rebuilds or valve replacements where oversize exhaust valves for the VR38DETT are specified. Confirm piston-to-valve clearance and application specifics before installation.
GSC P-D Nissan VR38DETT 33.15mm Head +1mm OS 91.95mm Long 6.6mm Stem Exhaust Valve - Single