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SKU: 1030
GSC Power-Division Toyota 2JZ Viton 6mm Valve Stem Seal Set 1993-2005 Lexus GS300 IS300 SC300 1993-1998 Supra
Upgrade your Toyota 2JZ-GE or 2JZ-GTE engine with GSC Power-Division Viton 6mm valve stem seals designed for precise oil control and high-performance durability. This complete set fits 1993-2005 Lexus GS300 IS300 SC300 and 1993-1998 Toyota Supra models ensuring leak-free operation during spirited driving or track use. Engineered to handle extreme heat and maintain consistent valve sealing for reduced oil consumption and sustained power.
Key Features
- Viton Fluoroelastomer: Withstands temperatures up to 450°F and resists oil degradation for long-term reliability in high-boost 2JZ builds.
- 6mm Stem Diameter: Direct match for OEM and aftermarket valves providing snug fit without clearance issues or excessive drag.
- Complete 24-Piece Set: Includes 12 intake and 12 exhaust seals covering all 24 valves on inline-six 2JZ engines.
- Low-Friction Design: Reduces valve guide wear and improves high-RPM stability for better throttle response and horsepower retention.
- Precision Molded: USA-made with tight tolerances ensuring even compression and zero leaks under pressure.
Product Notes
- Ideal replacement during head rebuild or valve job to restore factory sealing performance.
- Store in cool dry place away from petroleum products prior to installation.
- Packaged in protective foil pouch to prevent contamination during shipping.
Installation Notes
- Professional installation recommended.
- Remove valve springs and keepers using air pressure on piston to secure valves during seal replacement.
- Compatible with stock bronze guides and GSC performance valve guides no special tools required beyond seal driver.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-2005 | Lexus | GS300 | Base |
| 2001-5 | Lexus | IS300 | Base |
| 2002-2005 | Lexus | IS300 | Sportcross |
| 1992-2000 | Lexus | SC300 | Base |
| 1993-1998 | Toyota | Supra | Base |
| 1993-1998 | Toyota | Supra | Twin Turbo |
Why Choose GSC Power-Division?
- Proven in drag racing and drift cars worldwide with thousands of 2JZ installations.
- High-strength materials tested for 1000+ hours of dyno and track abuse.
- CNC-machined prototypes ensure every seal meets valvetrain demands.
Frequently Asked Questions
-
Q: Does this fit both 2JZ-GE and 2JZ-GTE engines?
A: Yes fits all 2JZ variants with 6mm valve stems including NA and turbo Supra GS300 IS300 SC300 models from 1992-2005. -
Q: What material are these seals made from?
A: Premium Viton fluoroelastomer offers superior heat resistance over stock rubber seals up to 450°F and full oil compatibility. -
Q: Is there a warranty on these seals?
A: GSC provides defect coverage when installed by certified shops follow torque specs and use proper assembly lube.
Shipping & Handling
- Method: Standard ground UPS USPS
- Availability: In stock - ships same or next business day
- Packaging: Compact 6 x 4 x 1 inch box with protective inserts
- Weight: 0.15 lbs
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