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RS-R T284D is the exact Down Sus lowering springs shown in this listing. It is intended for 2001-2006 Lexus LS430. Confirm the complete vehicle, drivetrain, factory suspension, chassis notes, ride-height requirements, wheel and tire clearance, and alignment plan before ordering.
Key Features
- Vehicle-specific lowering spring set
- Moderate ride-height reduction
- Application-specific spring rates
- Designed around the factory suspension layout
Fitment
| Years | Make | Model | Submodel | Application |
|---|---|---|---|---|
| 2001-2006 | Lexus | LS430 | All applicable | Chassis code UCF30 |
Specifications
| Brand | RS-R |
|---|---|
| Manufacturer Part Number | T284D |
| Product Type | Lowering Springs |
| Product Line | Down Sus |
| Condition | New |
| Chassis code | UCF30 |
| Approximate Drop: 2001-2003 Front | -40mm to -45mm (-1.6inch to -1.8inch) |
| Approximate Drop: 2001-2003 Rear | -25mm to -30mm (-1.0inch to -1.2inch) |
| Approximate Drop: 2004-2006 Front | -25mm to -30mm (-1.0inch to -1.2inch) |
| Approximate Drop: 2004-2006 Rear | -15mm to -20mm (-0.6inch to -0.8inch) |
| Spring Rate Front | 5.26kg/mm |
| Spring Rate Rear | 3.30kg/mm |
| Warranty | 3 Years / 36,000 miles from the day of purchase |
What's Included
One new RS-R Down Sus product in the exact manufacturer configuration for part number T284D. Confirm the official parts list before installation.
Brand Information
RS-R engineers vehicle-specific lowering springs, coilovers, suspension components, and related performance products. Exact application details, chassis requirements, ride-height ranges, spring rates, and installation notes vary by part number.
Related RS-R Products
- Shop all RS-R products
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- RS-R 05-13 Lexus IS250/350 RWD (GSE20/GSE21) Down Sus Springs
Frequently Asked Questions
Will RS-R T284D fit my vehicle?
Match the exact year, make, model, submodel, drivetrain, chassis, and factory suspension notes shown on this page. Contact support before ordering when any detail differs.
What is included with RS-R T284D?
This listing includes one new RS-R Down Sus product in the manufacturer configuration for part number T284D. Reused factory parts and separately required tools or hardware are not included unless explicitly stated.
What should be checked after installation?
For suspension products, verify torque, clearances, ride height, alignment, electronic warnings, and safe operation. For the oil additive, verify the correct treatment quantity and final oil level.
Installation Instructions
Follow the current RS-R instructions for part number T284D and the vehicle or component manufacturer's service procedure. Suspension work requires safe vehicle support, correct tools, specified fastener replacement and torque, clearance checks, final ride-height settling, and a professional alignment before normal driving.
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