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Zone Offroad 2019-23 Chevy Silverado Trail Boss & GMC Sierra AT4 1.75 Leveling Kit

Zone Offroad
UPC Code - 711745602403
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Zone Offroad Level Kit

Normally ships within 48 hours depending on the options selected
  • Due to premature factory ball joint wear being witnessed by our dealer network on stock, leveled and lifted 2019-2022 GM 1500 trucks these kits come standard with C2315 upper control arms to ensure proper operation and long service life.
  • 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.
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. Due to limitations with the factory UCA that may cause premature wear these kits include high strength adventure series upper control arms to provide long life, additional travel and superior strength.
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