Supertech Toyota 2UZ-FE V8 32V Single Valve Spring Kit
The Supertech SPRK-TU24 Single Valve Spring Kit is a high-performance upgrade for the Toyota 2UZ-FE 4.7L V8 engine (32-valve). This complete kit includes dual valve springs, titanium retainers, and single-groove valve locks, designed to handle high-RPM operation, aggressive cam profiles, and boosted applications. Engineered with premium materials and precision manufacturing, these springs offer increased seat pressure, higher open pressure, and excellent fatigue resistance to prevent valve float and ensure valve train stability. Ideal for naturally aspirated, supercharged, or turbocharged 2UZ-FE builds in Lexus GX470, Toyota Tundra, Sequoia, Land Cruiser, and other 2UZ-powered vehicles seeking reliable high-RPM performance and durability.
Key Features & Benefits
- Dual Valve Springs – High seat and open pressures for aggressive cams and high-RPM stability
- Titanium Retainers – Lightweight and strong for reduced valve train mass and faster response
- Single-Groove Valve Locks – Precision-machined for secure stem retention and easy installation
- Premium Materials – Chromium-silicon steel springs with shot-peening for maximum fatigue life
- Supertech Motorsport Quality – European precision trusted in professional racing applications
Specifications
| Specification | Detail |
|---|---|
| Part Number | SPRK-TU24 |
| Brand | Supertech |
| Application | Toyota 2UZ-FE V8 32V |
| Spring Type | Dual (inner + outer) |
| Retainer Material | Titanium |
| Lock Type | Single Groove |
| Quantity | Full kit for 32 valves (16 intake + 16 exhaust) |
| Seat Pressure | High (optimized for performance cams) |
Whats Included
- 32 Dual valve springs (16 inner + 16 outer)
- 32 Titanium retainers
- 32 Single-groove valve locks
- Installation instructions
Product Notes
- Designed for high-RPM and boosted 2UZ-FE builds – prevents valve float with aggressive cams
- Titanium retainers reduce valve train weight for faster response and less stress
- Requires professional valve job, seat cutting, and installed height measurement
- Compatible with stock or aftermarket 2UZ-FE valves (check stem and groove compatibility)
- Made in Europe – Supertech's motorsports-proven quality and precision
Installation Notes
- Estimated time: 8-16 hours (full cylinder head work required)
- Requires head removal, valve spring compressor, and professional assembly
- Measure installed height, check coil bind, and verify retainer-to-guide clearance
- Install with proper valve stem seals and keepers
- Professional engine builder installation strongly recommended
This Part Fits
| Year Range | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 2000-2009 | Lexus | GX470 | 2UZ-FE 4.7L V8 | 32V – high-RPM/forced induction upgrade |
| 2001-2009 | Lexus | LX470 | 2UZ-FE 4.7L V8 | 32V – high-RPM/forced induction upgrade |
| 2000-2009 | Toyota | Tundra | 2UZ-FE 4.7L V8 | 32V – high-RPM/forced induction upgrade |
| 2001-2009 | Toyota | Sequoia | 2UZ-FE 4.7L V8 | 32V – high-RPM/forced induction upgrade |
| 1998-2007 | Toyota | Land Cruiser | 2UZ-FE 4.7L V8 | 32V – high-RPM/forced induction upgrade |
Why Choose Supertech Valve Spring Kit for 2UZ-FE?
- High seat/open pressures and progressive rate for aggressive cams and high-RPM stability
- Titanium retainers reduce weight and stress on valve train components
- Complete kit with springs, retainers, and locks for full 32-valve upgrade
- Supertech – trusted in professional racing and high-performance engine builds
Frequently Asked Questions
-
Q: Will this fit my 2005 Toyota Tundra 4.7L?
A: Yes, direct fit for all 2UZ-FE 32V engines; ideal for high-RPM or boosted setups. -
Q: Do I need upgraded retainers?
A: Yes, titanium retainers included; compatible with stock or aftermarket locks. -
Q: Is this for intake or exhaust?
A: Universal for both intake and exhaust valves on 2UZ-FE heads.
Shipping and Handling
- Method: UPS / FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure protective packaging
- Weight: Approx. 5-8 lbs (full 32-valve kit)
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