GSC Power Division Exhaust Valve Guide – Standard Single w/ Stopper (Nissan VR38DETT) – GSC3045
The GSC Power Division Standard Exhaust Valve Guide is engineered for the Nissan VR38DETT platform and features a stopper-style configuration for secure seating. Designed for factory head rebuilds or performance upgrades, this guide delivers precise valve stem alignment and long-term durability under high-load conditions.
Fitment & Options
- Standard Size: Sold individually or as a complete set of 12
- Oversized Variants: Available in +0.001" and +0.003" for heads requiring tighter tolerances
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 high-performance use, GSC3045 offers the precision and reliability trusted by top 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.)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

