2020-2021 GM 2500/3500 HD RWD 4WD including AT4 READY LIFT 3.0'' SST LIFT KIT

3.5" Front/ 2" Rear SST Lift Kit

SST lift specific Forged Torsion Keys with new F/R Falcon 1.1 Monotube series shocks,

Xtreme-Duty fabricated steel upper control arms, heavy-duty tie rods, differential spacers, new longer bump stops, and longer hardware.

Allows for 20x9 0 offset - 35x12.50 tire. *Max with trimming: 20x10 -18 offset - 35x12.50, some fender well variance may be experienced between Silverado and Sierra models. Can be used on trucks equipped with factory snow prep/plow packages. Works with trucks equipped with either the OE #84461807 or OE #84634344 factory torsion keys and requires ReadyLIFT torsion key unloading tool 66-7822B or similar for installation. NOTE: Use of Auto 4 Hi feature not recommended.

Special Note:  When setting the torsion key adjustment bolt do not exceed 27.5” from the wheel center to the fender edge. Exceeding this will create a top off condition, meaning the suspension has little to no down travel. The result is poor ride quality, and premature wear of components.