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Kit Shown with NX2 Shocks

Kit Shown with NX2 Shocks

4" Suspension Lift Kit | Chevy Trail Boss / GMC AT4

  • *Approx Price: $1,996.73
  • Front (base kit): 4" High Clearance IFS System
  • Rear (base kit): 4" Block Kit
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Kit Shown with NX2 Shocks

Kit Components

Accessories & Pricing


Qty Part# Description
1 011518 2019 GM 1500 5in Rear Box Kit
1 021405 2019 Chevy/GM 4" Strut Spacer Box
1 021680 2019 GM 1500 Knuckle Box 1of2
1 021681 2019 GM 1500 Knuckle Box 2of2
1 021682 2019 GM 1500 6in Front Box Kit 1of2
1 021683 2019 GM 1500 6in Front Box Kit 2of2
2 85759 BDS NX2 Shock Absorber
Qty Part# Description Price
    Total $1,996.73

Important Kit Notes

  • 1. Requires frame bracket modification
  • 2. Will not fit Adaptive Ride Control (ARC) equipped models
  • 3. Factory 17" and 18" wheels cannot be reinstalled due to tie rod end interference, stock 20" wheels can be reinstalled.
  • 4. 17" wheels with 4.5" backspacing should be test fit prior to mounting the tire to ensure proper clearance to the steering knuckle / tie rod.
  • 5. All aftermarket wheels should be test fit prior to mounting the tire to ensure proper clearance to the brake caliper. Some wheel profiles will not clear the brake caliper. These can be test fitted before the vehicle is lifted in a stock condition.
  • 4" Suspension Lift Kit | Chevy Trail Boss / GMC AT4

  • Front (base kit):

    4" High Clearance IFS System

  • Rear (base kit):

    4" Block Kit

  • Kit Price

    $1,996.73

Base Kit Components 749H

These components are subject to change based upon your selections.

Qty Part# Description
(1) 011518 2019 GM 1500 5in Rear Box Kit
(1) 021405 2019 Chevy/GM 4" Strut Spacer Box
(1) 021680 2019 GM 1500 Knuckle Box 1of2
(1) 021681 2019 GM 1500 Knuckle Box 2of2
(1) 021682 2019 GM 1500 6in Front Box Kit 1of2
(1) 021683 2019 GM 1500 6in Front Box Kit 2of2
(2) 85759 BDS NX2 Shock Absorber

Compatible Vehicles

These vehicles also are compatible with this product.
Click on a vehicle to see other available kits.

Make Model Type Lift Year Range
Chevy / GMC 1/2 Ton Pickup 4WD Trail Boss / AT4 4" 2019-2020

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Important Kit Notes

  • 1. Requires frame bracket modification
  • 2. Will not fit Adaptive Ride Control (ARC) equipped models
  • 3. Factory 17" and 18" wheels cannot be reinstalled due to tie rod end interference, stock 20" wheels can be reinstalled.
  • 4. 17" wheels with 4.5" backspacing should be test fit prior to mounting the tire to ensure proper clearance to the steering knuckle / tie rod.
  • 5. All aftermarket wheels should be test fit prior to mounting the tire to ensure proper clearance to the brake caliper. Some wheel profiles will not clear the brake caliper. These can be test fitted before the vehicle is lifted in a stock condition.

Next: Traction Bar Selection


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