RS-R T581D is the exact Down Sus lowering springs shown in this listing. It is intended for 2017-2022 Toyota Prius Prime FWD. Confirm the complete vehicle, drivetrain, factory suspension, chassis notes, ride-height requirements, wheel and tire clearance, and alignment plan before ordering.
Fitment
| Years | Make | Model | Submodel | Application |
|---|---|---|---|---|
| 2017-2022 | Toyota | Prius Prime | All applicable | Chassis code ZVW52 |
Specifications
| Brand | RS-R |
|---|---|
| Manufacturer Part Number | T581D |
| Product Type | Lowering Springs |
| Product Line | Down Sus |
| Condition | New |
| Chassis code | ZVW52 |
| Approximate Drop Front | -20mm to -25mm (-0.8in to -1.0in) |
| Approximate Drop Rear | -15mm to -20mm (-0.6in to -0.8in) |
| Spring Rate Front | 2.76kg/mm |
| Spring Rate Rear | 5.1kg/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 T581D. 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.
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Frequently Asked Questions
Will RS-R T581D 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 T581D?
This listing includes one new RS-R Down Sus product in the manufacturer configuration for part number T581D. 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 T581D 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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