The Stage 4 system includes vehicle-specific tuned, extended travel 2.5” coilover shocks with internal reservoirs paired with tubular steel, Delta Joint upper control arms. This combination allows for extended wheel travel and geometry correction for more precise wheel alignment. The coilovers are also height adjustable from 0-3.5” of lift over stock, allowing the use of larger, more aggressive wheel and tire combinations. ICON 2” lift rear coil springs paired with 2.5 Aluminum Series remote reservoir rear shocks utilizing vehicle-specific valving offer increased performance compared to the 2.0 Aluminum Series shocks. ICON's tubular steel rear lower links are much stronger than the OE units, feature a low maintenance multi-durometer bushing, and can be adjusted for optimum pinion angle. On top of it all, these links have been designed to provide correct roll steer geometry for the best possible handling on and off-road. An adjustable rear track bar is also included for KDSS compatibility that also helps correct rear end alignment. The ICON Vehicle Dynamics 2010-UP Lexus GX460 Stage 4 suspension system is an excellent choice for those drivers looking to enhance the capabilities of their pickup on the road as well as in the dirt.