# Zone Offroad 19-21 Chevy Silv/GMC Seirra 1500 AT4/TrailBoss 1.75in 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 UCA Clearance35/12.50 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)

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

This Part Fits:

Year

Make

Model

Submodel

2019-2023

Chevrolet

Silverado 1500

Custom Trail Boss

2019-2023

Chevrolet

Silverado 1500

LT Trail Boss

2019-2023

GMC

Sierra 1500

AT4

## Details

- **Price:** 800.85 CAD
- **Vendor:** Zone Offroad
- **Type:** Leveling Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 800.85 CAD | In stock |

## Images

- Photo - Primary
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/zone-offroad-19-21-chevy-silv-gmc-seirra-1500-at4-trailboss-1-75in-leveling-kit)
> Updated: 2026-07-15