GSC Power Division Exhaust Valve Set for Nissan RB26DETT 31.15mm +1mm OS 12-Pack

GSC Power Division Exhaust Valve Set for Nissan RB26DETT — 31.15mm (+1mm OS) 12-Pack Fitment: Nissan RB26DETT engines. Precision-engineered for high-performance street and track use. Upgrade your RB26DETT valvetrain with this 12-pack of GSC Power Division exhaust valves. Each valve measures 31.15mm head diameter with a +1.0mm overstock (OS) length of 101.74mm , delivering improved sealing and durability under increased lift and boost. Material & Construction: High-strength alloy steel for superior heat and wear resistance. Performance: Designed to handle higher temperatures and aggressive cam profiles while maintaining reliable valve float control. Precision Fit: +1mm OS length optimizes valve-to-seat engagement after head machining or performance modifications. Complete Set: 12 valves — enough for a full RB26DETT cylinder head rebuild. Ideal for tuners, race teams, and enthusiasts who demand OEM-level fitment with race-ready performance. Improve reliability, maintain compression, and support higher RPM and boost levels with GSC Power Division quality. Keywords: GSC Power Division, RB26DETT exhaust valves, 31.15mm valves, +1mm OS, performance valvetrain, Nissan RB26 rebuild.