SKU: 5068
GSC P-D Nissan VR38DETT Conical Valve Spring Kit w/ TVS1903 Conical Spring 2009-2024 GT-R
This GSC Power-Division kit equips 2009-2024 Nissan GT-R models with VR38DETT engines using 16 TVS1903 conical springs and 16 titanium retainers. The conical design delivers progressive spring rates for valve control at high RPM and boost levels up to 40psi. Drivers gain reliable performance in demanding turbocharged applications.
Key Features
- TVS1903 Conical Springs: Seat pressure 114 lbs at 1.74mm lift with open pressure 280 lbs at 10.0mm lift supports max lift of 12.5mm and coil bind height of 20.2mm
- Super Clear Coating: Reduces friction and harmonics while resisting corrosion for consistent spring action over thousands of cycles
- Titanium Retainers: Lightweight 10g retainers cut valvetrain mass for quicker valve response and higher rev limits
- Progressive Rate Design: Conical shape provides linear force curve to minimize valve float in high boost GT-R builds
- Precision Manufacturing: Ground flat and heat treated for exact tolerances ensuring OEM-like fit with performance gains
Product Notes
- Inspect stock retainers and seats before install. upgrade recommended for boosted setups
- Store in dry conditions to preserve coating integrity
- Ships in protective foam-lined box
Installation Notes
- Professional installation recommended.
- Valve spring compressor tool required for VR38DETT cylinder heads
- Compatible with stock or aftermarket valve seals and keepers
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2024 | Nissan | GT-R | All (VR38DETT) |
| 2009-2024 | Nissan | GT-R | Premium |
| 2009-2024 | Nissan | GT-R | Black Edition |
| 2009-2024 | Nissan | GT-R | NISMO |
Why Choose GSC?
- Proven in GT-R drag and track racing worldwide
- Engineered from dyno-tested data for real-world durability
- CNC-machined components with rigorous quality checks
Frequently Asked Questions
- Q: Does this kit fit all 2009-2024 Nissan GT-R VR38DETT engines?
A: Yes it directly replaces stock springs and retainers on all VR38DETT variants including NISMO models without modifications - Q: What material are the springs and retainers?
A: TVS1903 springs use premium chromoly steel with Super Clear coating. retainers are forged 6AL4V titanium - Q: What warranty covers this kit?
A: GSC offers 1-year unlimited mileage warranty against manufacturing defects when installed by certified technician
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: 8 x 6 x 4 inch box with foam inserts
- Weight: 2.2 lbs
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