SKU: 5083
GSC P-D Nissan/Infiniti VR30DDTT HP Conical Valve Spring Ti Retainer & Seat Kit (9500RPM/40PSI Max) Fits 2017+ Q50 Q60 Red Sport 2023+ Nissan Z
This GSC Power-Division kit upgrades the valvetrain on Nissan VR30DDTT twin-turbo V6 engines with conical valve springs titanium retainers and seats. It fits 2017+ Infiniti Q50 Q60 Red Sport 400 models and 2023+ Nissan Z Performance NISMO. Expect stable valve control at 9500 RPM and 40 PSI boost for reliable high-rev power.
Key Features
- Conical Spring Design: Progressive rate reduces mass harmonics and inertia for precise valve motion at extreme RPM
- Titanium Retainers: Cuts valvetrain weight by 25 percent over steel while handling high lift up to 0.500 inches
- 9500 RPM Rating: Engineered for sustained high revs with 40 pounds seat pressure at 1.750 inches installed height
- Exact VR30DDTT Fit: Intake exhaust springs measure 1.460 inch OD 0.945 inch ID 1.783 inch height with 10mm stem compatibility
- Complete Kit Contents: 24 conical springs 24 Ti retainers 24 seats for full engine coverage
Product Notes
- Verify valve stem heights post-install to maintain geometry
- Springs use high-tensile steel for fatigue resistance
- Secure packaging protects components during transit
Installation Notes
- Professional installation recommended.
- Use VR30DDTT-specific valve spring compressor tool
- Compatible with stock keepers and seals no hardware changes needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2023 | Infiniti | Q50 | Red Sport 400 |
| 2017-2023 | Infiniti | Q60 | Red Sport 400 |
| 2023-2024 | Nissan | Z | Performance |
| 2023-2024 | Nissan | Z | NISMO |
Why Choose GSC?
- Proven in drag racing and circuit applications worldwide
- Made with aerospace-grade materials for durability
- Precision CNC wound springs ensure consistent rates
Frequently Asked Questions
-
Q: Will this kit fit the 2023 Nissan Z VR30DDTT?
A: Yes direct bolt-on for all 2023+ Nissan Z Performance and NISMO models with VR30DDTT engine -
Q: What materials are used in the springs and retainers?
A: Conical springs from high-tensile chrome-silicon steel retainers from 6AL4V titanium seats from steel -
Q: What is the warranty on this kit?
A: GSC offers lifetime warranty against manufacturing defects with proper installation
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Sturdy box 12 x 9 x 7 inches
- Weight: 3.1 lbs
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