GSC Super Alloy Exhaust Valve Set +1mm – 6.6mm Stem – Nissan VR38DETT (Set of 12) – GSC2057-12
Ready to take your beyond the 2200+ HP mark? The (PN GSC2057-12) is built for high-output engines demanding maximum flow, heat resistance, and long-term reliability. Featuring a +1mm head diameter and a reinforced, these valves are optimized for ultra-high horsepower builds.
- 33.15mm (1.305")
- 91.95mm (3.620")
- 6.54mm (0.257")
- Handles extreme heat and stress without compromise
- Enhances exhaust flow for increased power and RPM capability
- Reduce friction and improve oil retention for smoother valve motion
- Works with factory keepers, locks, and standard retainers
- GSC advises replacing valve locks to avoid grooving and extend service life
Track-Proven, Street-Ready Performance
Whether you're building a full race engine or upgrading your street-driven GT-R, this delivers the airflow, strength, and reliability your VR38DETT demands.
Sold as a complete set of 12. For individual replacements, see GSC2057-1.
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

