GSC +1mm Intake Valve Set – Nissan VR38DETT Oversize (Set of 12) – GSC2052-12
The GSC Power Division +1mm Intake Valve Set (PN GSC2052-12) is designed for engines demanding increased airflow and long-term durability. With a head diameter of 38.15mm—1mm larger than stock—these valves are engineered to deliver superior sealing and performance under extreme conditions.
- 6mm
- 94.95mm
- 38.15mm
Developed using advanced 3D simulation and design software, GSC’s oversized intake valves feature a that’s been flow-tested in VR38-specific applications. The result: improved sealing under high heat, and consistent performance throughout the valve’s lifespan.
- Enhance airflow across the valve surface
- Reduces valve weight for better RPM response and boost tolerance
- Minimize oil retention and reduce drag for smoother valve motion
- Material: Modified 21-4n stainless steel for intake valves (heat-resistant and durable)
- Hardened or fused with stelite wafer for extended wear resistance
- Reduces valve tipping and simplifies valve lash setup
- Balances spring pressure to reduce shim use and enhance spring/retainer performance
- Compatibility: Works with OEM keeper/lock or GSC upgraded options (new locks recommended for performance builds)
Track-Tested, Street-Ready
Whether you're chasing airflow gains or long-term reliability, this is built to meet the demands of high-performance VR38DETT setups.
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
