GSC Super Alloy Exhaust Valve +1mm – Nissan VR38DETT Oversize Single (GSC2053-01)
The GSC Power Division Super Alloy Exhaust Valve (PN GSC2053-01) is designed for engines pushing serious horsepower and elevated exhaust gas temperatures. With a head diameter of 33.15mm—1mm larger than stock—this valve is built to perform in conditions reaching up to 2000°F, delivering exceptional strength, flow, and thermal stability.
- 6mm
- 91.85mm
- 33.15mm
Each valve features a for reduced friction and improved lubricity—especially when paired with . The under-head dish is optimized for weight savings, while the swirl-polished and back-cut head design promotes smoother exhaust flow without compromising durability.
- Super Alloy construction for extreme heat resistance
- Chrome-polished stem enhances wear resistance and motion smoothness
- Swirl-polished head improves exhaust velocity
- Back-cut profile reduces mass for better RPM response
- Ideal for high-EGT, high-horsepower turbo setups
Track-Tested, Street-Proven
Whether you're building a street-driven GT-R or a full race-spec VR38, this is engineered to thrive under pressure.
Fitment:
- 2009 - 2024 Nissan GT-R R35 3.8L Twin Turbo V6 DOHC (VR38DETT)
- 2015 - 2024 Nissan GT-R NISMO 3.8L Twin Turbo V6 DOHC (VR38DETT)
- 2017 - 2021 Nissan GT-R Track Edition 3.8L Twin Turbo V6 DOHC (VR38DETT)
- 2009 - 2024 Nissan GT-R Premium 3.8L Twin Turbo V6 DOHC (VR38DETT)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

