GSC Power Division Exhaust Valve Guide – +0.003" Oversize Single w/ Stopper (Nissan VR38DETT) – GSC3045.003-1
The GSC Power Division +0.003" Oversized Exhaust Valve Guide is precision-machined for the Nissan VR38DETT engine and features a stopper-style profile for secure seating. Designed for cylinder heads that have been machined or require tighter tolerances, this guide ensures consistent valve stem alignment and long-term durability in both OEM rebuilds and high-performance builds.
Fitment & Options
- Standard Size: Sold individually or as a complete set of 12
- Oversized Options: Available in +0.001" and +0.003" for custom-fit head work
Specifications
- Total Length: 1.462 in / 37.13 mm
- Outer Diameter: 0.3948 in / 10.03 mm
- Valve Stem Diameter: 6 mm
Whether you're refreshing a stock head or building for serious performance, GSC3045.003-1 delivers the precision and reliability trusted by engine builders worldwide.
Fitment:
- 2009–2025 Nissan GT-R (R35)
- 2014–2015 Nissan GT-R NISMO GT3
- 2015–2020 Nissan GT-R LM NISMO (race applications)
- 2010–2023 GT-R Track Edition / SpecV / Black Edition
- 2000s–present VR38DETT-swapped builds (240SX, Z32, Datsun, etc.)
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