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2021 GMC Sierra AT4 Suspension Leveling Kit Zone Offroad

4.5 on 71 ratings
  • Features:
    • piece design with top mount spacer and 2 preload spacers to raise ride height without over-extending suspension during droop travel
    • High strength adventure series upper control arms allow more travel, increase strength and correct issues caused by kits using the factory UCAs
    • Maintains ride quality and handling characteristics
    • Allows clearance for 33-34" tires
    • Includes Factory Protection Plus

Additional Fitment Information:
Vehicle
2021 GMC Sierra AT4
1 In Stock
Best Price:

$184.69 USD
$221.63 USD
Brand Zone Offroad
Part # ZORZONC1171
Condition New
Warehouse B
Zone Offroad

Sierra AT4 Zone Offroad Suspension Leveling Kit ZONC1171 2021 GMC
  • 1.75" Leveling Kit
  • 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 UCalifornia 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 2019-2021 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.
  • In the box: Strut Spacers Upper Control Arms

    • General

    Lift Type
    Leveling Kit
    Welding Required
    No
    Is Adjustable
    No
    Front Lift Method
    Strut Spacers & Preload
    Cutting Required
    No
    Accommodates Factory Wheels
    Yes
    Wheel Size
    See Notes
    Back Spacing
    See Notes
    Front Lift Height
    1.75"
    Information on technical characteristics, the delivery set, the country of manufacture and the appearance of the goods is for reference only and is based on the latest information available at the time of publication.

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