SKU: 2057-12
GSC Power-Division 2009-2025 Nissan GT-R R35 VR38DETT 33.15mm Head +1mm OS 91.95mm Long 6.6mm Stem Exhaust Valve – Set of 12
This GSC Power-Division set of 12 exhaust valves fits the Nissan GT-R R35 VR38DETT 3.8L twin-turbo V6 engine from 2009 to 2025. The +1mm oversize 33.15mm heads, 91.95mm length, and 6.6mm stems deliver better exhaust flow and heat resistance for builds over 2200 HP. Super alloy construction ensures reliability under high RPM and extreme stress on track or street.
Key Features
- Head Diameter: 33.15mm +1mm OS increases exhaust port clearance for greater flow volume
- Overall Length: 91.95mm provides exact drop-in fitment with precise valvetrain geometry
- Stem Diameter: 6.6mm thicker than OEM adds strength against fatigue in high-boost applications
- Material: Super alloy withstands temperatures over 2200 HP builds with reduced wear
- Design Details: Back-cut heads boost airflow, micro-polished stems cut friction and hold oil for longer life
Product Notes
- Direct fit for VR38DETT, confirm your GT-R setup as head work may be required for +1mm OS
- Pair with upgraded valve springs and retainers for complete high-HP valvetrain
- Compact packaging ships efficiently with protective materials inside
Installation Notes
- Professional installation recommended.
- Valve seats must match +1mm OS heads, machine work often needed
- Compatible with OEM keepers and locks, GSC suggests new locks for security
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2025 | Nissan | GT-R | R35 (Premium, Black Edition, NISMO, T-spec) |
Why Choose GSC Power-Division?
- Proven in 2500+ HP GT-R builds by leading tuners worldwide
- Targeted engineering matches VR38DETT twin-turbo heat and pressure
- Flow-tested design delivers power gains and throttle response
Frequently Asked Questions
- Q: Will these valves fit my 2015 GT-R NISMO?
A: Yes, direct fit for all 2009-2025 R35 GT-R VR38DETT models including NISMO, confirm head machining for +1mm OS - Q: What alloy is used in these valves?
A: Advanced super alloy handles extreme heat and stress beyond OEM limits for sustained high-RPM use - Q: What warranty covers this set?
A: GSC Power-Division standard manufacturer warranty applies, contact GSC directly for claim details
Shipping & Handling
- Method: Standard ground
- Availability: In stock – ships same or next business day
- Packaging: 6″ x 4″ x 2″ box
- Weight: Part 1.2 lbs, shipping 1.5 lbs
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