69-3920 +2" SST Lift Kit: 2019-2023 GM AT4 & Trail Boss.
Not compatible with Sierra AT4X or Silverado ZR2 Edition.
2" front lift combines with factory 2" lift.
CNC-machined billet aluminum top spacer and pre-load spacer kit with heavy-duty control arms
1-ton ball joints and maintenance-free pivot bushings
Includes 3" tall OE style cast iron rear lift blocks with new U-bolts
AT4 - Max tire 305/55-20, 20x9 0 offset wheel
Trail Boss - Max tire 295/65-20, 20x9 0 offset wheel
Note: Not compatible with rear mono-leaf springs.