Supertech Complete Valvetrain w/+1mm Valves for RB26

Supertech RB26DETT Valvetrain Kit – Complete Set (BNR32, R32 GTR)

If you’re rebuilding your RB26, this is the valvetrain you want. Perfect for high-performance builds, this is a complete Supertech setup that supports high-RPM, high-boost applications with premium materials and proven durability.

Included in this listing:

24 x Supertech +1mm Oversize Valves Intake Valves (NIVN-1032 x12) * Head Diameter: 35.65mm * Stem Diameter: 5.97mm * Valve Length: 102.3mm * Material: Black Nitrided Steel

Exhaust Valves (NEVI-1032-7 x12) * Head Diameter: 31.15mm * Stem Diameter: 6.94mm * Valve Length: 101.6mm * Material: Inconel (heat-resistant, ideal for turbo builds)

Dual Valve Springs (SPRK-M1007D-RB) * Intake Seat Pressure: 93 lbs @ 40.7mm * Exhaust Seat Pressure: 82 lbs @ 40.7mm * Max Lift: 15.30mm * Coil Bind: 24.70mm * Spring Rate: 12.5mm

Titanium Retainers (RET-NRB60/T2)

Valve Seals * VS-N6-I (Intake x12) * VS-N7-E (Exhaust x12)

Valve Guides * GDE-NSR6-I (Intake x12) * GDE-NSR7-ET (Exhaust x12)

Premium Materials & Design:

Springs made from Superclean Chrome Silicon Vanadium Steel for high durability and excellent memory at high RPM.

Retainers are CNC-machined from military-grade titanium for tight fit and long-lasting performance.

Designed for engines under extreme conditions — track use, high boost, or aggressive cam setups.