GSC Power Division Exhaust Valve Guide +0.003" Oversize Single w/ Depth Step (Nissan / Infiniti VR38DETT) GSC3143.003-1
The GSC Power Division +0.003" Oversized Exhaust Valve Guide is engineered for the Nissan/Infiniti VR38DETT twin-turbo V6. Featuring a depth step design, this guide provides precise valve stem support and secure seatingperfect 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 GSC3143.003-1?
- Depth step profile enhances valve stability and seating precision
- Machined to exacting specs for consistent fit and long-term durability
- Ideal for performance builds or factory head service
Whether you're chasing horsepower or restoring reliability, GSC3143.003-1 delivers the precision and performance trusted by top-tier engine builders.
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