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SKU: 7041R15
GSC P-D Nissan Skyline R32 1989-1994 / R33 1995-1998 RB26DETT R15 Camshafts 276/278 Billet (Requires Head Modification)
These GSC Power-Division R15 billet camshafts upgrade the RB26DETT engine in Nissan Skyline R32 and R33 GT-R models with precise 276 degree intake and 278 degree exhaust durations at 1mm lift. They shift power delivery to higher RPM ranges for track and drag performance. Installation demands cylinder head modifications for spring clearance.
Key Features
- Billet Cores: Machined from high-strength 8620 billet steel for extreme durability under high spring pressures and revs over 10,000 RPM
- Intake Profile: 276° duration at 1mm lift, 12.00mm gross lift, 30.20mm base circle for aggressive mid-to-top end power
- Exhaust Profile: 278° duration at 1mm lift, 12.20mm gross lift, 30.20mm base circle to match intake flow and broaden torque
- Precision Grinding: CNC-ground lobes with proprietary PM treatment resist wear and maintain profile after thousands of miles
- Valve Timing: Optimized overlap and events boost horsepower by 40+ whp on stock turbo setups with proper tuning
Product Notes
- Pair with GSC S2 or higher valve springs and titanium retainers for full potential
- Valve lash specs: Intake 0.38-0.63mm (0.015-0.025 inch), Exhaust 0.50-0.75mm (0.020-0.030 inch)
- Securely packaged in foam-lined box to protect lobes during transit
Installation Notes
- Professional installation recommended.
- Cylinder head spring seats require machining 1.5mm (0.060 inch) deeper for retainer clearance
- Check valve-to-piston clearance and set proper valvetrain geometry post-install
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | Skyline | R32 GT-R (BNR32 RB26DETT) |
| 1995-1998 | Nissan | Skyline | R33 GT-R (BCNR33 RB26DETT) |
Why Choose GSC Power-Division?
- Racing pedigree with wins in Formula Drift and drag series on RB engines
- In-house dyno development ensures real-world gains on street and track
- USA-manufactured with tight tolerances below 0.0005 inch for consistent performance
Frequently Asked Questions
-
Q: Will these cams fit R34 Skyline RB26DETT?
A: No, designed specifically for R32/R33 head geometry. R34 requires 7042R15 set. -
Q: What material treatment do the lobes have?
A: Billet 8620 cores with GSC proprietary PM lobe treatment for superior wear resistance versus cast cams. -
Q: What warranty coverage applies?
A: GSC provides warranty against manufacturing defects. Register product on GSC site for support.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Foam-lined custom box measuring 32 x 8 x 6 inches
- Weight: 10.8 lbs
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