GSC Power Division Exhaust Valve – +1MM Extended Tip Super Alloy (GSC2149-01)
Push your RB26DETT engine to its limits with the GSC Power Division +1MM Super Alloy Exhaust Valve. Designed for high-output turbocharged builds, this valve features an extended tip and enlarged head diameter to handle extreme exhaust gas temperatures—up to 2000°F—without compromising performance.
Precision Specifications
- Head Diameter: 31.15 mm / 1.226 in
- Total Length: 103.24 mm / 4.065 in
- Stem Diameter: 6.905 mm / 0.272 in
Engineered for Maximum Flow
Crafted using advanced 3D simulation and design software, GSC’s valve head geometry delivers superior airflow and strength. Each prototype is flow-tested in its intended application to ensure optimal performance. The proprietary alloy blend minimizes face distortion, improving sealing and consistency under extreme conditions.
Highlighted Features
- Improved Engine Breathing: Enhanced airflow boosts horsepower and efficiency
- Back Cut Design: Reduces weight and increases RPM potential
- Micro-Polished Valve Stems: Minimizes oil retention and drag for smoother guide movement
- Super Alloy Construction: Built to endure high EGTs and turbocharged abuse
- Stellite-Tipped Ends: Hardened tips resist wear and maintain precise contact with valvetrain components
- OEM Compatibility: Works with factory keeper/lock systems (Note: avoid reusing locks in performance builds)
Built for Reliability
Backed by GSC Power Division’s reputation for quality and precision, this single exhaust valve is ideal for serious RB26DETT builders seeking durability, flow efficiency, and long-term performance.
Fitment:
- 1989 Nissan Skyline GT-R RB26DETT
- 1990 Nissan Skyline GT-R RB26DETT
- 1991 Nissan Skyline GT-R RB26DETT
- 1992 Nissan Skyline GT-R RB26DETT
- 1993 Nissan Skyline GT-R RB26DETT
- 1994 Nissan Skyline GT-R RB26DETT
- 1995 Nissan Skyline GT-R RB26DETT
- 1996 Nissan Skyline GT-R RB26DETT
- 1997 Nissan Skyline GT-R RB26DETT
- 1998 Nissan Skyline GT-R RB26DETT
- 1999 Nissan Skyline GT-R RB26DETT
- 2000 Nissan Skyline GT-R RB26DETT
- 2001 Nissan Skyline GT-R RB26DETT
- 2002 Nissan Skyline GT-R RB26DETT
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
