2020-2021 GM 2500/3500 HD including AT4
3" Front/ 2" Rear SST Lift Kit
SST lift specific Forged Torsion Keys with front/rear shock extensions, 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.
Installation: 4.5 Hours