SKU: 5075
GSC P-D Nissan RB26DETT/RB26 Conical Valve Spring Kit 1989-2002 Skyline GT-R
The GSC P-D Nissan RB26DETT/RB26 Conical Valve Spring Kit provides precise valve control and stability for high performance builds. Designed for 1989-2002 Nissan Skyline GT-R models with RB26DETT engines this kit features 24 conical springs and titanium retainers. It supports aggressive cam profiles up to 350 degrees with reduced valvetrain inertia for consistent power delivery at elevated RPM.
Key Features
- Conical Spring Design: Lowers mass and harmonics for smoother valve action and higher RPM capability without resonance issues
- Seat Pressure 115 lbs: Maintains firm valvetrain control under boost preventing valve float in high horsepower setups
- Open Pressure 280 lbs at 1.200in lift: Delivers strong force for cams up to 14.5mm lift ensuring reliable seat return and power
- Titanium 10 Degree Retainers: Lightweight construction reduces rotating mass paired with chromoly steel springs for durability
- 182 lbs/in Spring Rate: Dual rate characteristics handle stock to race applications with coil bind height at 1.320in
Product Notes
- Compatible with stock valve locks and seals verify clearances during assembly
- Inspect guides and seats for wear before installation to ensure longevity
- Packaged securely to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Use RB26 specific spring compressor tool to avoid bending components
- Confirm retainer to seal clearance and lash down specs match your camshaft setup
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | Skyline | GT-R (R32 BNR32) |
| 1995-1998 | Nissan | Skyline | GT-R (R33 BNR33 BNR33) |
| 1999-2002 | Nissan | Skyline | GT-R (R34 BNR34 V-Spec) |
Why Choose GSC Power-Division?
- Developed for JDM race engines trusted in drag and circuit RB26 builds worldwide
- CNC machined components with heat treated chromoly for fatigue resistance
- Engineered and manufactured in the USA with dyno proven valvetrain specs
Frequently Asked Questions
- Q: Will this kit fit stock RB26DETT cylinder heads?
A: Yes direct bolt on replacement for OEM springs and retainers in all RB26DETT heads from R32 R33 R34 GT-R models - Q: What material composition is used in the springs and retainers?
A: Springs crafted from premium chromoly steel retainers from titanium alloy for strength to weight balance - Q: What warranty coverage applies to this valvetrain kit?
A: Lifetime warranty against manufacturing defects when installed and maintained properly excludes abuse or improper setup
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure box 12in x 12in x 6in
- Weight: 4 lbs
Reviews
There are no reviews yet.