SKU: 5069
GSC P-D Nissan VR38DETT High Pressure Conical Valve Spring Kit w/ Titanium Retainer 2009+ Nissan GT-R
This GSC Power-Division valve spring kit equips the Nissan VR38DETT engine in 2009 and later GT-R models with high pressure conical springs and titanium retainers for reliable valve operation under extreme boost and RPM. The design ensures valves stay seated during aggressive turbo applications while reducing valvetrain mass. Install this kit to support camshaft upgrades and maintain stability beyond 9,000 RPM.
Key Features
- Conical Spring Design: Progressive rates eliminate surge and harmonics for consistent valve motion at high engine speeds
- High Seat Pressure: 120 lbs at 1.750 inch installed height prevents valve float in high boost setups up to 40+ psi
- Open Pressure Rating: 320 lbs at 0.950 inch lift with maximum lift capacity of 0.450 inch for aggressive cam profiles
- Titanium Retainers: 10 grams lighter per retainer than steel reducing rotating mass by over 160 grams total across 16 valves
- Super Clean Finish: No chrome plating for superior heat dissipation and resistance to fatigue in sustained high RPM use
Product Notes
- Kit includes 16 valve springs and 16 titanium retainers compatible with stock GT-R valve locks
- Verify spring installed height during assembly to achieve target pressures
- Ships in protective foam-lined box measuring 12 x 8 x 6 inches
Installation Notes
- Professional installation recommended.
- Set spring height to 1.750 inches for 120 lbs seat pressure using a spring checker tool
- Coil bind height is 1.085 inches ensure minimum 0.060 inch clearance with cams
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2024 | Nissan | GT-R | Base |
| 2009-2024 | Nissan | GT-R | Premium |
| 2009-2010 | Nissan | GT-R | Black Edition |
| 2015-2024 | Nissan | GT-R | NISMO |
| 2017-2024 | Nissan | GT-R | Track Edition |
| 2024 | Nissan | GT-R | T-spec |
Why Choose GSC Power-Division?
- Proven in GT-R drag racing and time attack with multiple championship wins
- Made in USA with premium high tensile steel springs tested for 1 million cycles
- Engineered specifically for VR38DETT tolerances using FEA modeling for peak performance
Frequently Asked Questions
-
Q: Will this kit fit 2009-2024 Nissan GT-R NISMO models with VR38DETT?
A: Yes it directly replaces OEM springs and retainers on all VR38DETT variants from 2009 to 2024 including NISMO and Track Edition without modifications -
Q: What materials are used in the springs and retainers?
A: Springs are heat treated high tensile chrome silicon steel retainers are forged 6AL4V titanium for lightweight strength and corrosion resistance -
Q: What is the warranty and install requirements?
A: Limited lifetime warranty against spring fatigue when installed to spec professional installation advised with valve stem height check post install
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure foam inserted cardboard box 12 x 8 x 6 inches
- Weight: 4.5 lbs
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