RS-R Down Sus lowering springs for the 2022+ Lexus IS500 (USE30L) drop the car into a cleaner, more purposeful stance while tightening body roll and sharpening turn-in on everyday roads. Each set is engineered specifically for this IS500 chassis, so drop, spring rate and factory damper tune stay in balance — the car sits where you want it and still drives like a daily.
Racing Studio-R built its first suspension in Osaka in 1972 and has been refining the Down Sus spring for more than fifty years. Each set is progressive-rate, cold-wound and heat-treated in-house in Japan, then matched to the factory shock valving and ride-height target of the specific chassis it bolts onto. Backed by RS-R’s 3-year / 50,000 km fatigue warranty.
Features
Specifications
| Part Number | T594D |
| Part Name | RS-R Down Sus Lowering Springs |
| Vehicle | 2022+ Lexus IS500 |
| Chassis Code | USE30L |
| Ride-Height Adjustable | No |
| Spring Type | Progressive |
| Approximate Drop – Front | -35mm to -40mm (-1.4in to -1.6in) |
| Approximate Drop – Rear | -40mm to -45mm (-1.6in to -1.8in) |
| Spring Rate – Front | 35 Kg/mm |
| Spring Rate – Rear | 40 Kg/mm |
| Warranty | 3 Years / 50,000 km |
| Notes | – |


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