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ReadyLift SST 3.3 Suspension Kit with 3 in Front Lift and 2 in Rear Lift for GX 550 (2024–Present)

Sale price$3,999.95

Corgrit Identification Code: C-REA-GKJJPZ3S


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The ReadyLift SST 3.3 Suspension Kit is engineered to elevate the capability, control, and stance of the GX 550 with a premium 3-inch front and 2-inch rear lift configuration. Designed specifically for the modern Lexus platform, this system combines TeraFlex Falcon 3.3 Fast Adjust remote-reservoir shocks, heavy-duty tubular upper control arms, and precision-tuned suspension geometry to improve ride quality, wheel travel, and off-pavement confidence without compromising the GX's refined character.

Key Features

3-Inch Front and 2-Inch Rear Lift Configuration
TeraFlex Falcon 3.3 Fast Adjust Remote Reservoir Dampers
Heavy-Duty Tubular Upper Control Arms
Supports 275/65R20 Tire Fitment on 18-Millimeter-Offset Wheels

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1-Year Warranty Protection


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Suspension Kit Specifications

The ReadyLift SST 3.3 Suspension Kit is engineered specifically for the GX 550 platform to deliver enhanced ride height, suspension control, and off-road capability while preserving premium on-road comfort. The system integrates Falcon 3.3 Fast Adjust dampers, reinforced upper control arms, and geometry correction components to maintain suspension alignment and stability at increased ride height.

Series

SST

Fits

Lexus GX 550 (2024–Present), Not Compatible with Models with Electronic Kinetic Dynamic Suspension System, Not Compatible with Models with Rear Air Suspension

Materials

Aluminum,
Steel

Finish

Black Powder Coat,
Silver

Construction

Drawn-Over-Mandrel

Front Suspension Maximum Lift Height

3 in

Rear Suspension Maximum Lift Height

2 in

Part Number

62-54365

Included in the Box

(2) Front Remote-Reservoir Coilovers,
(2) Rear Remote-Reservoir Shocks,
(2) Front Upper Control Arms,
(1) Front Differential Drop Kit,
(2) Rear Bump Stops,
(2) Rear Brake Line Mounting Brackets,
(2) Rear Coil Springs,
(4) Bushings,
(2) Rear Sway Bar Spacers,
(1) Front Engine Skid Plate,
(1) Hardware Set

Overview

ReadyLift developed the SST 3.3 Suspension Kit to enhance the capability and presence of the GX 550 while preserving its refined driving characteristics. The system delivers increased clearance, improved suspension control, and premium ride quality across highway, city, and off-road environments.

Shocks

TeraFlex Falcon 3.3 Fast Adjust shocks feature remote reservoirs with multiple base valve settings and micro-adjustment positions for highly customizable tuning, allowing drivers to tailor ride characteristics for comfort, handling precision, or performance.

Geometry

Heavy-duty tubular upper control arms and a differential drop kit are engineered to maintain alignment geometry and articulation under lift conditions. The corrected design improves steering feel, wheel control, and long-term suspension durability.

Ride Quality

The balanced 3-inch front and 2-inch rear lift configuration improves ground clearance and tire fitment while maintaining composed on-road behavior. Carefully tuned damping preserves the premium driving experience expected from the GX 550 platform.

Installation

This kit is engineered as a complete bolt-on package using vehicle-specific mounting locations and precision-fit components. The design supports larger tire configurations while maintaining factory electronic integration and daily-driving comfort.