GSC Super Alloy Exhaust Valve Set +1mm – Nissan VR38DETT (Set of 12) – GSC2053-12
The GSC Power Division +1mm Super Alloy Exhaust Valve Set (PN GSC2053-12) is built for engines pushing serious power and elevated exhaust gas temperatures. With a head diameter of 33.15mm—1mm larger than stock—these valves are engineered to perform in environments reaching up to 2000°F, offering exceptional durability, flow, and thermal stability.
- 6mm
- 91.85mm
- 33.15mm
Each valve features a for smoother movement and enhanced lubricity—especially when paired with the GSC Manganese bronze valve guides. The under-head dish is optimized for weight reduction, while the swirl-polished and back-cut head design improves exhaust flow without compromising structural integrity.
- 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
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
