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Cardboard box with Unity rear conversion kit label

Unity

Unity Rear Conversion Kit 22-563000

SKU CH-Z3M7-JRKRX

Rear conversion kit retrofits air suspension to passive steel springs on select 2003-2012 Lexus and Toyota SUVs

  • Converts air suspension to reliable passive setup
  • Fits Lexus GS460 models from 2010 to 2011
  • Compatible with Lexus GX460 and GX470 SUVs
  • Works with Toyota 4Runner and FJ Cruiser models
  • Backed by over 50 years of manufacturing experience

Rear Conversion Kit for Lexus and Toyota

The Unity Rear Conversion Kit 22-563000 replaces factory air suspension with a passive steel-spring setup. It fits 2010-2011 Lexus GS460, 2010-2012 Lexus GX460, 2003-2009 Lexus GX470, 2003-2011 Toyota 4Runner, and 2007-2011 Toyota FJ Cruiser models equipped with the resistor option. The kit is designed for owners who want to eliminate air-ride maintenance. It is not for vehicles without the resistor-equipped air suspension.

Thermals Noise and Power Draw

This mechanical suspension kit has no electrical consumption, cooling requirements, or operational noise once installed. It removes the compressor and air lines that draw current and generate heat in the original system. The passive steel springs operate silently under load. No power supply or thermal management is needed for the conversion components.

Bundled Resistor and Hardware

The package includes the resistor module required to prevent dashboard warning lights on compatible models. Mounting hardware is supplied for a direct bolt-on installation using existing chassis points. No additional fabrication or electronic adapters are necessary. The included parts address the specific electrical interface of the listed vehicles only.

Highlights

  • Converts air suspension to reliable passive setup
  • Fits Lexus GS460 models from 2010 to 2011
  • Compatible with Lexus GX460 and GX470 SUVs
  • Works with Toyota 4Runner and FJ Cruiser models
  • Backed by over 50 years of manufacturing experience

Specifications

BrandUNITY

Questions about this item

How do I install the Unity 22-563000 rear conversion kit on a 2010 Lexus GX460, and what step is commonly missed?

Bolt the kit to the factory rear suspension points on the 2010 GX460; the step often missed is fitting the included resistor so the dash warning light stays off.

What maintenance or replacement will the Unity 22-563000 kit need after installation on a 2007 Toyota FJ Cruiser?

The steel springs and shocks are maintenance-free; only inspect bushings and torque settings at each tyre rotation on the 2007 FJ Cruiser.

What limit appears first during sustained off-road use of the Unity 22-563000 kit on a 2003-2009 Lexus GX470?

The fixed-rate steel springs reach their travel limit before the dampers overheat on a 2003-2009 GX470 under continuous heavy articulation.

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