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SKU: 2064-12 | UPC: GSC2064-12
GSC P-D Toyota 2JZ 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - Set of 12 for 1992-2005 Lexus GS300 IS300 SC300 Toyota Supra
Equip your Toyota 2JZ engine with GSC Power-Division chrome polished intake valves featuring a 34.6mm head diameter plus 1mm over stock for enhanced airflow and power. This set of 12 one-piece forged valves fits 1992-2005 Lexus GS300 IS300 SC300 and Toyota Supra models with 2JZ-GE or 2JZ-GTE heads. Built from high-strength 21-4N stainless steel they withstand extreme boost and RPM for reliable performance in street and track builds.
Key Features
- 21-4N Stainless Steel Construction: Forged from heat-resistant alloy that maintains strength above 1600°F ideal for turbocharged 2JZ applications
- Chrome Polished Tip and Keeper Groove: Minimizes guide wear and friction for longer life and smoother valve action
- 34.6mm Head Diameter (+1mm): Oversized design boosts intake flow by up to 10% supporting 1000+ HP builds
- Precision Dimensions: 7.95mm stem diameter 105.85mm overall length matches OEM tolerances for drop-in compatibility
- Complete Set of 12: Full intake valve kit for DOHC inline-6 2JZ engines ensures balanced airflow across all cylinders
Product Notes
- Pair with GSC valve springs retainers and seals for complete valvetrain upgrade
- Inspect valve guides and seats before installation to ensure proper clearance
- Ships in protective foam-lined box to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Set valve lash to 0.007-0.009 inch intake per 2JZ specs after install
- Compatible with OEM or aftermarket retainers and locks no modifications needed
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?
- Engineered by motorsport experts for 2JZ drag and drift champions
- USA-made quality with rigorous testing for durability under boost
- Exact fit precision machined for seamless integration in high-rev builds
Frequently Asked Questions
-
Q: Will these valves fit both 2JZ-GE and 2JZ-GTE heads?
A: Yes they are direct fit for all DOHC 2JZ heads in listed Lexus and Toyota models no machining required -
Q: What material are these valves made from?
A: 21-4N stainless steel forged for superior heat resistance and strength in turbo setups over 30 psi -
Q: What is the warranty and install process?
A: Backed by GSC one-year warranty professional install advised includes valve removal grinding seats and lash adjustment
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Foam-lined protective box 12 x 6 x 4 inches
- Weight: 2.1 lbs
GSC Power Division
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