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SKU: 5086
GSC Power-Division 1993-2002 Toyota 2JZ-GTE Extreme Pressure Single Conical Valve Spring and Ti Retainer Kit (w/Seats)
The GSC Power-Division GSC5086 kit delivers 24 titanium retainers, 24 conical valve springs, and 24 valve spring seats for Toyota 2JZ-GTE engines in models like the Supra and Aristo. Engineered for race applications, it provides precise valve control under extreme conditions with 150lbs seat pressure at 1.276 inches install height and 300lbs open pressure at 11.5mm lift. This setup supports 10000+ RPM and up to 80psi boost for high-horsepower builds.
Key Features
- Seat Pressure: 150lbs at 1.276 inches install height ensures stable valve seating and prevents float at high RPM
- Open Pressure: 300lbs at 11.5mm (0.453 inches) lift and 0.823 inches max open height maintains control during aggressive cam profiles
- Titanium Retainers: Lightweight 24-piece set reduces valvetrain mass for quicker response and higher rev limits
- Conical Valve Springs: Single conical design with 0.795 inches coil bind height optimizes harmonics and durability in boosted setups
- Complete Kit: Includes 24 seats for drop-in fit on 2JZ-GTE heads, ready for extreme race modifications
Product Notes
- Race only part, not for street or emissions-controlled vehicles
- Verify valve spring install heights using GSC calculator before assembly
- Ships standard ground in protective packaging
Installation Notes
- Professional installation recommended.
- Set install height to 1.276 inches and check coil bind clearance at 0.795 inches
- Compatible with stock 2JZ-GTE retainers grooves, no machining required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-2002 | Toyota | Supra | Turbo (JZA80 2JZ-GTE) |
| 1991-2005 | Toyota | Aristo | Twin Turbo (JZS147 2JZ-GTE) |
| 1994-2005 | Toyota | Soarer | Twin Turbo (UZS175 2JZ-GTE) |
Why Choose GSC Power-Division?
- Proven in drag racing and endurance events on 2JZ-GTE platforms
- Dyno and flow bench tested for consistent performance
- Precision machined components from high-strength materials
Frequently Asked Questions
-
Q: Does this fit all 2JZ-GTE engines?
A: Yes, direct fit for 1993-2002 Supra Turbo, 1991-2005 Aristo Twin Turbo, and 1994-2005 Soarer Twin Turbo 2JZ-GTE heads -
Q: What materials are used?
A: High-tensile steel conical springs with chromoly wire and lightweight titanium retainers for reduced weight and strength -
Q: What warranty applies?
A: One-year unlimited mileage warranty against manufacturing defects when installed by certified technician
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Secure custom box 12 x 12 x 2 inches
- Weight: 4.85 lbs
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