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SKU: LX-005-SS

Riaction GT1 Coilovers for 1997-2004 Lexus SC430 (UZZ40)

Sale price$900.00Regular price $1,000.00
Out of stock

Fitment Notes

All fitment information on our website is provided by the manufacturer. It is the customer's responsibility to thoroughly read the product description and confirm fitment before placing an order and proceeding with installation.

Unless specified otherwise, all suspension products are designed for 2WD vehicles only. Any notes or descriptions related to electronic damping systems (EDC, DDS, etc.) apply strictly to vehicle fitment. Aftermarket coilovers are not compatible with OEM electronic damping control systems unless explicitly stated.

*Product images may not represent the actual SKU.

Handling Time

All handling times are estimates provided by the manufacturer and may change at any time.

  • In Stock: 1 business day
  • Out of Stock: TBD
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Orders can be returned within 30 days of fulfillment if all rules shown below are met.

  • Products must be in original packaging and in a new and resalable condition.
  • Any product that was used or fully/partially installed is non-returnable.
  • Custom products, special order products, and services are non-returnable and non-refundable.
  • Shipping fees and tax are non-refundable.
  • If the return of an item was caused by an error on our part, or a manufacturer's part, we will cover the shipping fees.

More Details

2-Year Manufacturer Warranty

Riaction USA's standard warranty is 2 years against factory defects. Riaction does offer aLifetime Labor Warranty for the life of their coilovers. This means that you will never have to pay for the labor costs to rebuild or refresh your Riaction coilovers.

More Information

Product Details

The Riaction GT1 Coilovers for the 1997-2004 Lexus SC430 UZZ40 deliver a premium, adjustable suspension upgrade built for drivers who want more from their SC430 UZZ40 than the factory setup can offer. These Lexus SC430 coilovers are engineered to pair street comfort with canyon and track capability, giving you the stance, handling, and adjustability you've been chasing without compromising daily driveability. Whether you track your UZZ40 SC430 on weekends or log daily miles, this UZZ40 coilover kit dials in ride height and damping to match how you actually use the car.

Every GT1 set features a monotube damper with 32 levels of damping adjustment, so you can tune ride quality to match the road, the weather, or your driving mood. Full-length ride-height adjustment separates preload from ride height — meaning you can drop the SC430 UZZ40 to the height you want while preserving spring travel and shock stroke. Riaction coilovers for the 1997-2004 Lexus SC430 are fully rebuildable and backed by a 2-year warranty, making the GT1 a long-term suspension investment rather than a disposable upgrade.

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-005-SS
Part Name Riaction GT1 Coilovers
Vehicle 1997-2004 Lexus SC430
Chassis Code UZZ40
Adjustment Type 1-Way
Ride-Height Adjustable Yes
Spring Rate - Front 12 Kg/mm
Spring Rate - Rear 8 Kg/mm
Top Mounts - Front OEM
Top Mounts - Rear OEM
Camber Plates - Front No
Camber Plates - Rear No
Suspension Design - Front True Coilover
Suspension Design - Rear
Vehicle Fitment
  • 1997 Lexus SC430 (UZZ40)
  • 1998 Lexus SC430 (UZZ40)
  • 1999 Lexus SC430 (UZZ40)
  • 2000 Lexus SC430 (UZZ40)
  • 2001 Lexus SC430 (UZZ40)
  • 2002 Lexus SC430 (UZZ40)
  • 2003 Lexus SC430 (UZZ40)
  • 2004 Lexus SC430 (UZZ40)

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