GSC Super Alloy Exhaust Valve +1mm – 6.6mm Stem – Nissan VR38DETT Single (GSC2057-1)
Ready to push your past the 2200+ horsepower mark? The (PN GSC2057-1) is designed for high-output builds demanding maximum airflow, heat resistance, and durability. Featuring a +1mm head diameter and a robust, this valve thrives under the most punishing conditions.
- 33.15mm (1.305")
- 91.95mm (3.620")
- 6.54mm (0.257")
- Withstands extreme heat and stress in 2500+ HP applications
- Improves exhaust flow and supports higher RPM operation
- Reduces friction and enhances oil retention for smoother motion
- Works with factory keepers, locks, and standard retainers
- GSC advises using new valve locks to prevent grooving and extend service life
Track-Tested, Street-Ready
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 individually or in complete sets of 12 to match your build needs.
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
