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SKU: 2144-12
GSC P-D Nissan RB26DETT 35.65mm Head +1mm OS 102.4mm Long Intake Valve - Set of 12 for 1989-2002 Skyline GT-R
GSC Power-Division intake valves feature a 35.65mm oversized head and 102.4mm length for RB26DETT engines in Nissan Skyline GT-R models. This set of 12 supports high-lift cams and ported heads in performance builds. Expect higher airflow volumes and reliable operation under extreme boost levels.
Key Features
- Oversized Head Diameter: 35.65mm +1mm OS design increases intake flow capacity for more power in tuned RB26DETT engines
- Extended Length: 102.4mm long valves pair with aftermarket high-lift camshafts without coil bind issues
- Forged Construction: One-piece 4340 chromoly steel billets machined for maximum strength and fatigue resistance
- Valve Face Material: 21-4N thermal-resistant coating withstands high heat from turbocharged applications
- Precision Finishing: Swirl polished heads and bead blasted 7.48mm stems promote even airflow and heat relief
Product Notes
- Machine valve seats to +1mm oversize before installation
- Verify valve-to-piston clearance with longer stem length
- Set ships in protective individual sleeves inside a sturdy box
Installation Notes
- Professional installation recommended.
- Requires head machining for oversized valve seats and guides
- Works with GSC valve springs retainers and titanium retainers
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | Skyline | GT-R (R32 BNR32) |
| 1995-1998 | Nissan | Skyline | GT-R (R33 BNR33/BNR34) |
| 1999-2002 | Nissan | Skyline | GT-R (R34 BNR34) |
Why Choose GSC Power-Division?
- Engineered for RB26DETT race engines in GT-R drag and circuit cars
- Material and design tested to 50psi boost levels
- Made in USA with tight tolerances for consistent performance
Frequently Asked Questions
-
Q: Which Skyline GT-R models fit these valves?
A: Designed for R32 R33 R34 GT-R with RB26DETT engines from 1989 to 2002 including V-Spec variants -
Q: What materials provide the durability?
A: Forged from 4340 chromoly steel with 21-4N heat-resistant faces and 7.48mm stems -
Q: Are special springs needed for installation?
A: Pair with GSC dual valve springs for high-lift cams up to 15mm lift consult cam specs for exact match
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective sleeves in 12x6x3 inch box
- Weight: 1.1 lbs
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