3" SST3.3 Suspension System With Forged Aluminum Upper Control Arms - Lexus GX550 2024-2026 (part number 62-54365).

Take your GX550 farther with the composed ride quality you expect. The ReadyLIFT 62-54365 3" SST3.3 Suspension System combines Falcon 3.3 Fast Adjust reservoir dampers with all-new Forged Aluminum Upper Control Arms for the 2024-2026 Lexus GX550. A balanced stance, adjustable damping, and corrected suspension geometry deliver confident control for daily driving and off-pavement exploration.

Next-Generation Forged Strength

ReadyLIFT Forged Aluminum Upper Control Arms deliver enhanced strength and structural rigidity for confident performance on the road and off. Precision-engineered arm profiles optimize component clearance, while corrected geometry supports proper alignment in lifted applications.

The Pro Series Heavy-Duty High-Angle Ball Joint supports greater articulation and increased suspension travel while maintaining factory-like ride characteristics. Proprietary Terrain Control Technology (TCT) maintenance-free pivot bushings provide quiet, consistent suspension movement without routine lubrication.

A Type III hard-anodized finish provides durable surface protection. A billet aluminum O-ring dust cap and sealed ball joint assembly help keep corrosion, dirt, and debris out of critical components for dependable performance through daily driving and demanding terrain.

Falcon 3.3 Performance

Falcon 3.3 Fast Adjust reservoir dampers offer three primary compression settings and eight Micro Adjust positions to tailor suspension feel to your driving preferences and terrain. Dial in comfort for the daily commute or added control for your next trip beyond the pavement.

Vehicle-specific suspension tuning brings together on-road refinement and off-road control, complementing the premium feel of the GX550.

System Highlights

• 3" front / 2" rear lift for enhanced clearance, larger tire fitment, and a balanced stance.
• 275/65R20 tire fitment on wheels with +18 offset.

Fitment and Installation Notes

• Not compatible with GX550 Overtrail, Overtrail+, or models equipped with rear air suspension or E-KDSS.

Coilover/Remote Resi, Series 3 / Type 3, Single Finished/Front/ Left, 3" Lift

Coilover/Remote Resi, Series 3 / Type 3, Single Finished/Front/ Right, 3" Lift

Smooth Body / Remote Resi, Series 3 / Type 3, Single Finished/ Rear/Left, 3" Lift

Smooth Body / Remote Resi, Series 3 / Type 3, Single Finished/ Rear/Right, 3" Lift

BALL JOINT NUT

UPR CTRL ARM, LH

UPR CTRL ARM, RH

FRONT DIFF DROP, RIGHT

FRONT DIFF DROP, LEFT

FALCON BUMP STOP

RR BUMP STOP EXT

REAR BRAKE LINE BRACKET

RR SPRG

Polyurethane Bushing

Crush Sleeve

DIFF DROP SPCR

RR SWAYBAR BRACKET

FRT SKD PLT

Hardware kit

Lexus GX550 20x9 +18 275/65R20 No Trim

Tire Size Note: ReadyLIFT wheel and tire fitment recommendations are typically based on Wheel Pros wheels and Nitto tires. Due to product differences among tire manufacturers, tire specifications and dimensions including, but limited to, overall diameter, rolling diameter, tread width, aspect ratio, lug pattern, sidewall construction and inflation pressure, will vary meaningfully by tire and wheel manufacturer. Every tire and wheel combination should be test fit prior to installation. Consult your local installer to learn more about the right tire fitment for your application.

Ride Quality Note: When lifting a vehicle and installing aftermarket wheels and tires, a tire manufacturer's construction and material quality can alter vehicle ride quality. When increasing a vehicle wheel and tire size, most larger aftermarket truck and SUV tires are 10-ply (or more) E tires compared to typical OEM 6-ply C tires. This more rigid sidewall construction increases the perception of suspension stiffness often described as ride harshness. The ride, handling, traction, noise, fuel economy, and wear differences between All-Season, All-Terrain, Mud-Terrain, or Trail-Terrain type tires can be significant. Please take into account tire and wheel choice will generally have a meaningful impact on the ride & handling experience.

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/product

SAEJ2492 WARNING: By installing this product, you acknowledge that the suspension of this vehicle has been modified. As a result, this vehicle may handle differently than factory-equipped vehicles. As with any vehicle, extreme care must be used to prevent loss of control or rollover during sharp turns or abrupt maneuvers. Always wear seat belts, and drive safely, recognizing that reduced speeds and specialized driving techniques may be required. Failure to drive this vehicle safely may result in serious injury or death. Do not drive this vehicle unless you are familiar with its unique handling characteristics and are confident of your ability to maintain control under all driving conditions. Some modifications (and combinations of modifications) are not recommended and may not be permitted in your state. Consult your owner's manual, the instructions accompanying this product, and state laws before undertaking these modifications. You are responsible for the legality and safety of the vehicle you modify using these components.