4" lift kit for 2019-24 Trailboss, AT4 1500 4WD

4.3L, 5.3L and 6.2L Models only
Does not fit composite leaf spring models
Does not fit models with 2 piece rear driveshaft
Does not fit factory wheels
Requires 20" or larger wheels with 4.5" backspacing
Does NOT fit GMC Denali with Magnetic Ride Control
Does NOT fit Multimatic DSSV suspension (AT4X/ZR2)
Does NOT fit 2019 "Classic" models (2018 body style)