GSC Power Division Exhaust Valve Guide – +0.001" Oversize Single w/ Depth Step (Nissan / Infiniti VR38DETT) – GSC3143.001-1
The GSC Power Division +0.001" Oversized Exhaust Valve Guide is crafted for the Nissan/Infiniti VR38DETT twin-turbo V6. Featuring a depth step profile, this guide offers precise valve stem support and secure seating—ideal for heads that have been machined or require tighter-than-stock tolerances.
Fitment & Options
- Engine Compatibility: Nissan / Infiniti VR38DETT
- Standard Size: Sold individually or in full sets of 12
- Oversized Variants: Available in +0.001" and +0.003" for custom-fit 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 GSC3143.001-1?
- Depth step design for enhanced valve stability and seating accuracy
- Precision-machined for consistent fit and long-term durability
- Ideal for performance upgrades or factory head rebuilds
Whether you're building for street, track, or reliability, GSC3143.001-1 delivers the precision and performance trusted by top-tier engine builders.
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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