SKU: 20-0963
Radium Engineering Toyota 3UZ-FE/1UZ-FE VVT-I Fuel Rails for 1998-2010 Lexus GS400 GS430 SC430 LS400 LS430
Radium Engineering fuel rails deliver precise even fuel distribution to all cylinders on Toyota 3UZ-FE and 1UZ-FE VVT-I engines found in Lexus models. They install directly on 1998-2000 GS400, 2001-2005 GS430, 2002-2010 SC430, 1998-2000 LS400, and 2004-2006 LS430 without modifications. High-flow passages and integrated ports handle boosted or high horsepower builds while maintaining factory fuel rail height.
Key Features
- CNC Machined Aluminum: Built from 6061-T6 aluminum with black anodized finish for strength, light weight, and resistance to fuel corrosion and heat.
- 8AN ORB Ports: Three ports per rail enable simple connections for fuel pressure regulators, sensors, and return lines in custom fuel systems.
- Direct Bolt-On Fit: Aligns perfectly with OEM mounting points, no drilling or alterations required for seamless integration.
- Injector Compatibility: Works with OEM Toyota injectors and aftermarket options using supplied air-assist delete seats for reliable sealing.
- High-Flow Design: Oversized internal passages provide consistent fuel delivery for turbo, supercharger, or naturally aspirated performance upgrades.
Product Notes
- Verify injector O-ring size matches standard LSx-style for proper sealing.
- Reuse factory fuel rail hardware where compatible.
- Product MPN 20-0963 designed for VVT-I heads only.
Installation Notes
- Professional installation recommended.
- Torque bolts to factory specs using thread locker.
- Compatible with OEM mounting points and aftermarket intake manifolds.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998-2000 | Lexus | GS400 | Base |
| 2001-2005 | Lexus | GS430 | Base |
| 2002-2010 | Lexus | SC430 | Base |
| 1998-2000 | Lexus | LS400 | Base |
| 2004-2006 | Lexus | LS430 | Base |
Why Choose Radium Engineering?
- Proven in drag racing and circuit applications.
- Manufactured in USA with tight tolerances.
- Focus on direct-fit solutions for JDM engines.
Frequently Asked Questions
-
Q: Will this fit 2001-2003 Lexus LS430 models?
A: No, compatible with 2004-2006 LS430 only due to 3UZ-FE VVT-I head design. -
Q: What material and finish are used?
A: 6061-T6 aluminum body with Type II black anodizing for durability and heat resistance. -
Q: What is the warranty and install process?
A: One-year limited warranty against manufacturing defects. Bolt-on install takes 1-2 hours with basic tools.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure foam-protected box, 12 x 8 x 4 inches
- Weight: 1.8 lbs
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