GSC Power Division exhaust valves for the Nissan VR38DETT are supplied as a set of 12 with a 33.15mm head and +1mm oversize specification (91.95mm overall length, 6.6mm stem). These valves are intended as direct-fit valve replacements for VR38DETT applications requiring the +1mm oversize sizing and standard valve specifications matching the listed dimensions.
GSC P-D Nissan VR38DETT 33.15mm Head +1mm OS 91.95mm Long 6.6mm Stem Exhaust Valve - Set of 12