GSC Power Division intake valves for the Nissan RB26DETT are supplied as a set of 12 with a 35.65mm head and +1mm oversize dimension (102.4mm overall length). These valves are intended as OEM-dimension replacements for RB26DETT cylinder heads where a +1mm oversize intake valve is specified, matching the listed measurements for direct application.
GSC P-D Nissan RB26DETT 35.65mm Head +1mm OS 102.4mm Long Intake Valve - Set of 12