Supertech Performance NEVI-1032/7-L-12 Inconel Exhaust Valves +1mm Oversize for Nissan RB26DETT

These +1mm oversize valves feature extended valve tip length for specialized cylinder head applications requiring additional clearance.

Key Specifications:

• Head Diameter: 31.15mm (+1mm oversize from standard 30.15mm)
• Stem Diameter: 6.94mm
• Valve Length: 102.7mm (tip extended 1.5mm longer than standard)
• Material: Inconel 751 or Nimonic 80A nickel-based super alloy
• Groove Type: Single groove design

Advanced Performance Features:

• Inconel construction provides exceptional high-temperature resistance for demanding turbo applications
• Superior heat dissipation maintains material strength and durability under extreme conditions
• Allows tuners greater flexibility for aggressive spark timing advances
• Average 10% weight reduction compared to standard valves for improved valvetrain dynamics
• One-piece forged construction with heat treatment and precision grinding
• Hardened valve tips for extended service life
• Supertech Superfinishing process ensures optimal surface finish

Ideal for high-performance builds, race applications, and turbocharged RB26 engines running elevated boost levels. The oversize head diameter improves flow characteristics while the extended tip length accommodates modified cylinder heads with deeper valve pockets or upgraded camshaft profiles.