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SKU: 2142-12
GSC P-D Nissan RB26DETT 34.65mm Head STD 102.4mm Long Intake Valve - Set of 12 for 1989-2002 Skyline GT-R
Upgrade your Nissan RB26DETT engine with this GSC Power-Division set of 12 intake valves featuring 34.65mm heads and 102.4mm long reach design. Engineered for R32 R33 and R34 Skyline GT-R models these valves deliver increased airflow and strength for boosted applications. Direct replacement ensures seamless integration into performance builds pushing higher RPM and power levels.
Key Features
- 34.65mm Head Diameter: Matches OEM specs while enhancing intake flow for improved throttle response and horsepower gains in turbocharged setups
- 102.4mm Long Reach Length: Precise fit for RB26DETT cylinder heads preventing valve float and supporting aggressive cam profiles
- One-Piece Forged Super Alloy: Delivers twice the fatigue strength of stock steel valves to handle extreme heat and high boost pressures reliably
- 6.97mm Stem Diameter: Microfinished for exact OEM tolerances ensuring proper sealing and longevity in high-performance environments
- Swirl Polished and Ground: Reduces friction improves sealing and promotes even heat dissipation for consistent operation
Product Notes
- Direct drop-in replacement no modifications required for standard or ported heads
- Inspect valve guides and seats prior to installation for optimal performance
- Ships in protective foam-lined box to maintain valve integrity during transit
Installation Notes
- Professional installation recommended.
- Pair with matching GSC valve springs for high lift camshaft compatibility
- Compatible with stock retainers and aftermarket valvetrain components
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | Skyline | GT-R (RB26DETT) |
| 1995-1998 | Nissan | Skyline | GT-R (RB26DETT) |
| 1999-2002 | Nissan | Skyline | GT-R (RB26DETT) |
Why Choose GSC Power-Division?
- Proven in professional drag racing and time attack builds worldwide
- Made in USA with aerospace-grade materials for unmatched durability
- Backed by extensive dyno testing and real-world track validation
Frequently Asked Questions
-
Q: Will these valves fit all RB26DETT variants including V-Spec models?
A: Yes they are direct replacements for all factory RB26DETT engines in R32 R33 and R34 Skyline GT-R models regardless of submodel -
Q: What material are these valves made from?
A: One-piece forged from high-temperature super alloy that resists wear and maintains shape under 1000+ degree exhaust gas temperatures -
Q: What is the warranty and installation requirements?
A: GSC offers a limited lifetime warranty against manufacturing defects. Requires proper torque specs and lapping for valve seats during install
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure foam-lined box 12x8x4 inches
- Weight: 2.8 lbs
GSC Power Division
GSC Power Division is a manufacturer of precision-engineered camshafts, valve springs, and valvetrain components designed for high-performance and competition engines across domestic, import, and diesel platforms. Founded by engineers with deep roots in motorsport, GSC Power Division components are machined to exacting tolerances and heat-treated to survive the demands of forced induction and high-rpm applications that destroy stock valvetrain parts. The brand is particularly well-known in the Mitsubishi Evo, Subaru STI, Nissan RB, and Toyota 2JZ communities where aggressive camshaft profiles are essential for extracting maximum power from turbocharged four-cylinder and six-cylinder engines. Whether building for drag racing, road course competition, or a high-powered street car, GSC Power Division camshafts and valve springs are a proven upgrade path. Popular Upgrades GSC Power Division S1, S2, and S3 camshafts are the most popular selections, with each profile offering progressivel...
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