3.5'' SST Lift Kit Front With 2'' Rear with Fabricated Control Arms and Bilstein Shocks- GM Silverado/Sierra 2500HD 2020-2021
2020-2021 GM 2500/3500 HD including AT4 3.5" Front/ 2" Rear SST Lift KitSST lift specific Forged Torsion Keys with new F/R Bilstein 5100 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. Currently does not fit 2022-2021 AT4 applications.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