Zone Offroad 19-21 Chevy Silv/GMC Seirra 1500 AT4/TrailBoss 1.75in Leveling Kit

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.

Part Type

Suspension Leveling Kit

• 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
• 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

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb	SKU	Kit Title
	zorZONC74	Zone Offroad 19-22 Chevrolet / 19-22 GMC 1500 AT4 Trail Boss 1.75in Lift Kit (1x zorZONC1173, 1x zorZONC1308)

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information