RS-R Best-i Active coilovers for the 2023+ Lexus RX500h (TALH17) are built for a very specific problem: replacing a factory-adaptive damper without losing the factory controller. Best-i Active keeps the OEM AVS/DDS signal, Ti2000 springs, pillowball uppers, and the full 36-level damper range, all controlled through the car’s original driving-mode button. No warning-light canceler required, no loss of factory modes — you get a proper dropped stance and adjustable damping while the dashboard still behaves like stock.
Best-i Active is RS-R’s flagship coilover for factory-active suspension cars — the only aftermarket coilover family that retains the OEM AVS/DDS adaptive damper controller while still delivering a full ride-height drop and 36-level damping. It uses Ti2000 springs, pillowball upper mounts, and a monotube damper body that bolts into the factory harness without a warning-light canceler. If you drive a GS F-Sport, GT-R, IS F-Sport, or similar AVS-equipped chassis, this is the only coilover that keeps the factory driving-mode logic intact.
Features
What’s Included
Specifications
| Part Number | XBIT294MA |
| Part Name | RS-R Best-i Active Coilovers |
| Vehicle | 2023+ Lexus RX500h |
| Chassis Code | TALH17 |
| Damping Adjustment | 36-Level Single-Knob |
| Ride-Height Adjustable | Yes |
| Damper Construction | Monotube |
| Spring Rate – Front | 8.00 Kg/mm |
| Spring Rate – Rear | 10.00 Kg/mm |
| Upper Mount – Front | Pillowball Bushings (Spherical Bearing, no camber adjustment) |
| Upper Mount – Rear | Pillowball Bushings |
| Suspension Design – Front | True Coilover |
| Suspension Design – Rear | Divorced |
| Rebuildable | Yes |
| Warranty | 1 Year / 12,000 Miles |
| Notes | – |


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