2019-23 Chevy Silverado Trail Boss & GMC Sierra AT4 Zone Offroad 1.75 Leveling Kit
2019-23 Chevy Silverado Trail Boss & GMC Sierra AT4 Zone Offroad 1.75 Leveling Kit
Special order, Not returnable

2019-23 Silverado Trail Boss/Sierra AT4 Zone Offroad 1.75 Leveling Kit

Zone Offroad
UPC Code - 711745602403
    Delivery time:Allow 2 to 4 weeks delivery
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  • Description
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Level kit by Zone Offroad

  • 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
Front Lift Height1.75"
Front Lift MethodStrut Spacers & Preload
Lift TypeLeveling Kit
Wheel Size17 x 9
Back SpacingStock
Max Tire Size295 / 70
Wheel Size 218 x 9
Back Spacing 2Stock
Max Tire Size 2295 / 65
Wheel Size 320 x 9
Back Spacing 3Stock
Max Tire Size 3295 / 60
Is AdjustableNo
Metal Cutting RequiredNo
Accommodates Factory WheelsYes
Welding RequiredNo


  • 3-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