Complete 1.75" leveling recommended for AT4, Trail Boss suspension not as raked for the factory so installing without thin preload spacer will net 1-3/8" lift for a level stance; Tires wider than 295/ cannot be installed on factory wheels due to clearance issues to the steering knuckles; Will not fit Adaptive Ride Control (ARC) equipped models; 2022 Models: This system has not been tested on models equipped with Super Cruise; Tire and Wheel Fitment: 5.5" MAX Backspacing due to UCA Clearance 35/12.50 18x9, 20x9; 5.5" BS (Chevy) 33/12.50 18x9, 20x9; 5.5" BS (GMC) 295/60 20x9; 5.5" BS (GMC) 295/60 20x9, 5.5-4.5" BS (Chevy) 305/55 20x9, 5.5-4.5" BS (GMC & Chevy) 295/65 18x9, 5.5-4.5" BS (GMC & Chevy) 295/70 17x9, 5.5-4.5" BS (GMC & Chevy)
Specially designed for the 2019-2023 Chevy Trail Boss and GMC AT4 trucks, these kits are designed to a higher standard, working within the parameters of the factory suspension and steering geometry to maximize potential while allowing optimal clearance for larger tires. Kits include strut spacers, adventure series upper control arms, hardware packs and steering stop extensions.
High strength adventure series upper control arms allow more travel, increase strength and correct issues caused by kits using the factory UCAs
3-piece design with top mount spacer and 2 preload spacers to raise ride height without over-extending suspension during droop travel
Zone Offroad 19-21 Chevy Silv/GMC Seirra 1500 AT4/TrailBoss 1.75in Leveling Kit
Allows clearance for 33-34" tires Includes Factory Protection Plus
2019-2023 Chevy/GMC 1500 AT4 / Trail Boss 1.75" Leveling Kit
Maintains ride quality and handling characteristics
Zone 1.75" Leveling Kit
Suspension Leveling Kit
1.75" Leveling Kit
