GSC Power Division Exhaust Valve Guide – Standard Set of 12 w/ Depth Step (Nissan / Infiniti VR38DETT) – GSC3143-12
The GSC Power Division Standard Exhaust Valve Guide Set is engineered for the Nissan/Infiniti VR38DETT twin-turbo V6. Designed with a depth step profile, these guides offer precise valve stem support and secure seating—ideal for high-performance builds or OEM head service.
Fitment & Options
- Engine Compatibility: Nissan / Infiniti VR38DETT
- Standard Size: Sold as a complete set of 12 or individually
- Oversized Variants: Available in +0.001" and +0.003" for tighter clearance applications
Technical Specifications
- Total Length: 1.462 in / 37.14 mm
- Outer Diameter: 0.3948 in / 10.03 mm
- Step Diameter: 0.340 in / 8.64 mm
- Valve Stem Diameter: 6.6 mm
Why Choose GSC3143-12?
- Depth step design enhances valve stability and seating accuracy
- Precision-machined for consistent fit and long-term durability
- Trusted by engine builders for both street and track applications
Whether you're refreshing a factory head or upgrading for performance, GSC3143-12 delivers the precision and reliability your VR38DETT exhaust system demands.
Fitment:
- Nissan GT-R R35 – 2009-2024
- Nissan GT-R NISMO – 2015-2024
- Nissan GT-R Track Edition – 2017-2021
- Nissan GT-R Premium – 2009-2024
- Nissan GT-R Black Edition – 2012-2014
- Nissan GT-R T-Spec – 2022-2024
- Nissan GT-R 50th Anniversary – 2020
- Infiniti QX70 GT-R Swap Builds – Custom Applications
- VR38DETT Engine Swaps – Race & Custom Builds
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