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SKU: 2063-12 | UPC: GSC2063-12
GSC P-D Toyota 2JZ-GTE 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - SET 12 (1993-2005 Lexus/Toyota)
Upgrade your Toyota 2JZ-GTE engine with this GSC Power-Division set of 12 exhaust valves designed for 1993-2005 Lexus GS300 IS300 SC300 and Toyota Supra models. The +1mm 30mm head diameter increases exhaust flow for improved power output in high-performance builds. Chrome polished finish enhances heat dissipation to maintain valve integrity under extreme conditions.
Key Features
- 23-8N Stainless Steel: High-nickel alloy withstands turbocharged heat and stress for reliable operation in 2JZ-GTE engines
- Chrome Polished Underhead: Mirror finish on underhead and margins transfers heat faster to valve seat reducing thermal fatigue
- 30mm Head Diameter (+1mm): Larger head boosts exhaust scavenging and velocity for gains in horsepower and response
- 8mm Stem Diameter: Precision ground stem ensures proper seal and guide fit with 3-angle tip machining
- One-Piece Forged Design: Super-duty 8-angle seats (4.5x7.88mm) and 101.85mm length match OEM specs while adding durability
Product Notes
- Valve seats require proper machining during installation for optimal performance
- Inspect valve guides and springs for compatibility before use
- Ships in protective foam packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Full valve job including seat cutting and guide clearance check required
- Compatible with stock or aftermarket retainers and springs
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-2005 | Lexus | GS300 | Base |
| 2001-2005 | 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?
- Engineered for 2JZ drag and street builds with proven track record
- Made in USA with tight tolerances for consistent performance
- Lifetime warranty against manufacturing defects
Frequently Asked Questions
-
Q: Does this fit 1993-1998 Toyota Supra Twin Turbo 2JZ-GTE?
A: Yes, this set matches the 2JZ-GTE cylinder head perfectly with 101.85mm length and 30mm exhaust ports -
Q: What material is used and why chrome polish?
A: 23-8N stainless steel for heat resistance, chrome polish on underhead improves heat transfer by up to 30% over standard finishes -
Q: What warranty applies and installation tips?
A: Lifetime warranty on stock applications, requires professional valve job with multi-angle seats for best results
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Foam inserts in 9x7x3 inch box
- Weight: 1.9 lbs
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