2019-2023 Chevy/GM Trail Boss / AT4 1500 4wd 4 Suspension System
Take your Chevy Trail Boss / GMC AT4 to new heights with this 4" lift kit from Zone Offroad. This kit nets 4" over stock, so due to the 2" factory lift will sit similar to a standard truck with 6" of lift. Kits include everything needed from high strength crossmembers and steering knuckles to strut spacers, upper control arms and differential relocation brackets to maintain driveline angles. Get the look, performance, and capability your truck deserves with clearance for up to 35" tires.
Take your Chevy Trail Boss / GMC AT4 to new heights with this 4" lift kit from Zone Offroad. This kit nets 4" over stock, so due to the 2" factory lift will sit similar to a standard truck with 6" of lift. Kits include everything needed from high strength crossmembers and steering knuckles to strut spacers, upper control arms and differential relocation brackets to maintain driveline angles. Get the look, performance, and capability your truck deserves with clearance for up to 35" tires.
- Maintains on-road handling while improving offroad performance
- Heavy duty crossmembers and skid plates for protection
- New steering knuckles add strength and allow ESC system compatibility
- Top mounted front strut spacer retains factory ride quality
- Adventure Series upper control arms for additional strength and durability
- Allows fitment of 35-37" tires
Information:
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. All aftermarket wheels should be test fit prior to mounting the tire to ensure proper clearance to the brake caliper. Factory 17" and 18" wheels cannot be reinstalled due to tie rod end interference, stock 20" wheels can be reinstalled. Requires frame bracket modification. Some wheel profiles will not clear the brake caliper. These can be test fitted before the vehicle is lifted in a stock condition. Fits Gas and Diesel Models. Will not fit Adaptive Ride Control (ARC) equipped models. Tire and Wheel Fitment: Chevy: 33 x 12.50 on 17x8, 17x9 w/ 4.5" BS 33 x 12.50 on 20x9, 22x9 w/ 4.5-6.25" BS 35 x 12.50 on 20x9, 22x9 w/ 5.5-6.25" BS 37 x 12.50 on 20x9, 22x9 w/ 5.5" BS GMC: 295/65 on 17x8, 17x9 w/ 4.5" BS 295/60 on 20x9 w/ 4.5-6.25" BS 35 x 12.50 on 20x9, 22x9 w/ 5.5-6.25" BSApplication Summary:
| Year | Make/Model |
|---|---|
| 2019-2023 | Chevrolet Silverado 1500 |
| 2019-2023 | GMC Sierra 1500 |
This item is a package with the following components:
| Attributes | |
| Accommodates Factory Wheels | See Notes |
| Adjustable | No |
| Alternate Part Number | ZONC69 |
| Back Spacing | See Notes |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Country of Origin (Primary) | US |
| Emission Code | Legal US |
| Finish | Powdercoat |
| Front Lift Height | 4" |
| Front Lift Method | Knuckle & Strut Spacer |
| GTIN | 00810156361401 |
| Hazardous Material Code | N |
| Installation Difficulty | 4 out of 5 |
| Installation Time | 8 hrs |
| Life Cycle Status Code | Available to Order |
| Lift Type | Lift Kit |
| Material | Steel Plate |
| Max Tire Size | See Notes |
| NAFTA Preference Criterion Code | B |
| Rear Lift Height | 3" |
| Rear Lift Method | Block Kit |
| Requires Metal Cutting | Yes |
| Requires Welding | No |
| SDR Required Flag | N |
| Wheel Size | See Notes |