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SKU: 2064-01 | UPC: GSC2064-01
GSC P-D Toyota 2JZ 21-4N Chrome Polished Intake Valve 34.6mm Head +1mm Single 1992-2005 Lexus Toyota
GSC Power-Division intake valve upgrades Toyota 2JZ-GE and 2JZ-GTE engines in 1992-2005 Lexus GS300 IS300 SC300 and Toyota Supra models. The 34.6mm oversize head diameter delivers higher airflow for increased horsepower and RPM capability. One-piece forged design ensures durability under high-performance conditions.
Key Features
- 21-4N Stainless Steel: High-nickel alloy provides fatigue resistance and maintains shape at extreme temperatures for reliable operation.
- Chrome Polished Stem: Reduces friction against valve guides improves oil film retention and extends guide life.
- 34.6mm Head +1mm Oversize: Boosts intake flow volume compared to stock valves supporting bigger cams and forced induction setups.
- Precision Specs: 6.970mm stem diameter 111.88mm overall length fits factory seats after machining for seamless integration.
- One-Piece Forged Construction: Eliminates failures from multi-piece designs handles high lift and spring pressures.
Product Notes
- Machine valve seats to accommodate +1mm oversize head diameter.
- Set valve lash to manufacturer specs after installation.
- Single valve sold individually for targeted replacements.
Installation Notes
- Professional installation recommended.
- Resize valve seats for 34.6mm head using multi-angle cutters.
- Compatible with GSC valve springs retainers and stock hardware.
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?
- Proven in drag racing and circuit applications worldwide.
- Engineered for maximum flow and longevity in 2JZ builds.
- CNC machined to micron tolerances for perfect fit and function.
Frequently Asked Questions
-
Q: Will this valve fit both 2JZ-GE and 2JZ-GTE engines?
A: Yes fits intake position in all 2JZ-GE non-turbo and 2JZ-GTE turbo variants after seat machining. -
Q: What finish is on the stem and why?
A: Chrome polished stem finish lowers wear promotes better lubrication retention and supports high RPM use. -
Q: What warranty coverage applies?
A: GSC offers limited lifetime warranty against manufacturing defects when installed by certified shop.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective plastic sleeve in 6 x 4 x 1 inch box
- Weight: 0.11 lbs
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