Product Details
These Riaction GT1 GS350 coilovers fit the 2006-2012 Lexus GS350 (GRS190/GRS191).
Riaction lists this GT1 kit, part number LX-004-SS, for the GS300, GS350 and GS430 on the GRS190 / GRS191 chassis. Each corner uses a monotube linear damper with 32 levels of damping adjustment, and full-length ride-height adjustment sets ride height without changing spring preload. Spring rates are 12 kg/mm front and 8 kg/mm rear. The kit is fully rebuildable and carries Riaction's 2-year warranty against manufacturing defects.
GT1 Series Technology
- Monotube linear damper with seamless 52mm electroplated carbon steel body
- 32-level damping adjustment (1-Way)
- 44mm CNC-machined 6061 aluminum high-flow piston
- 20mm piston rod for MacPherson applications / 14mm for non-MacPherson
- SAE9254 cold-wound linear main springs
- Multi-thickness valving shims for consistent damping
- Polyurethane oil seals and 7.5W suspension fluid
- Low-gas-pressure design for improved compliance
- Fully rebuildable: built to be serviced, not replaced
Features
- Full-length ride-height adjustment (preload-independent)
- 32 levels of damping adjustment
- Optional Swift Springs upgrade (sold separately)
- 2-year limited warranty
Specifications
| Part Number | LX-004-SS |
| Part Name | Riaction GT1 Coilovers |
| Vehicle | 2006-2012 Lexus GS350 |
| Chassis Code | GRS190 / GRS191 |
| Damping Adjustment | 1-Way |
| Ride-Height Adjustable | Yes |
| Spring Rate - Front | 12 Kg/mm |
| Spring Rate - Rear | 8 Kg/mm |
| Suspension Design - Front | True Coilover |
| Suspension Design - Rear | True Coilover |
| Notes | Riaction lists this kit for the GRS190 / GRS191 chassis. 2006 and 2012 not sold in the USA (non-USA market). |