Zone Offroad 4" Suspension Lift Kit (2019-2023 Silverado Trail Boss & Sierra 1500 AT4) (ZONC69)

IMPORTANT: ALWAYS READ THE ENTIRE PRODUCT DESCRIPTION, INCLUDING NOTES AND FITMENT INFORMATION, BEFORE MAKING YOUR PURCHASE. FOR THE MOST UP-TO-DATE INFORMATION, REFERENCE THE MANUFACTURER'S PRODUCT PAGE.

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. 

QUICK SPECS

Front Lift Height	4"
Rear Lift Height	3"
Material	Steel Plate
Front Lift Method	Knuckle & Strut Spacer
Rear Lift Method	Block Kit
Lift Type	Lift Kit
Wheel Size	See Notes
Back Spacing	See Notes
Max Tire Size	See Notes
Is Adjustable	No
Finish	Powdercoat
Metal Cutting Required	Yes
Accommodates Factory Wheels	See Notes
Welding Required	No

FEATURES

• 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

IN THE BOX

• Differential Relocation Brackets
• Frame Crossmembers - Front and Rear
• Rear Lift Block & U-Bolt Kit
• Skid Plate
• Steering Knuckles
• Upper Control Arms

IMPORTANT NOTES

• 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.
• 2022+ Models: This system has not been tested on models equipped with Super Cruise.

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" BS

INSTALLATION

Instructions

Click Here for Installation Guide

Specifications

Install Time Hours	8 hrs
Difficulty Level	4 out of 5

(1: Easiest 5: Most Difficult) 

FITMENT

• 2019 Chevrolet Silverado 1500 Custom Trail Boss
• 2019 Chevrolet Silverado 1500 LT Trail Boss
• 2019 GMC Sierra 1500 AT4
• 2020 Chevrolet Silverado 1500 Custom Trail Boss
• 2020 Chevrolet Silverado 1500 LT Trail Boss
• 2020 GMC Sierra 1500 AT4
• 2021 Chevrolet Silverado 1500 Custom Trail Boss
• 2021 Chevrolet Silverado 1500 LT Trail Boss
• 2021 GMC Sierra 1500 AT4
• 2022 Chevrolet Silverado 1500 Custom Trail Boss
• 2022 Chevrolet Silverado 1500 LT Trail Boss
• 2022 GMC Sierra 1500 AT4
• 2023 Chevrolet Silverado 1500 Custom Trail Boss
• 2023 Chevrolet Silverado 1500 LT Trail Boss
• 2023 GMC Sierra 1500 AT4

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Note that some items ship directly from the manufacturer. For these items, the manufacturer may not provide real-time inventory data to Lift Kits 4 Vets and backorders are possible. If an item is unavailable, Lift Kits 4 Vets will contact the buyer with an estimated ship date. In the event of excessive manufacturer backorders or delays, Lift Kits 4 Vets may opt to cancel the order and provide a full refund.

Shipping

Lift Kits 4 Vets provides shipping within the contiguous 48 states only. For orders outside of this area, please use the Contact page prior to placing your order. Items shipped by ground or LTL generally arrive within 1-5 days from date of shipment. Lift Kits 4 Vets is not responsible for carrier shipping delays.

Items in their original condition may be returned within 30 days from the date of purchase for a full refund. Items may NOT be returned once packaging has been opened or the item has been installed, otherwise used, or damaged. The buyer is responsible for all return shipping charges. Returns and refunds may be requested through the Contact page.

Note: Do NOT ship items back until you have received a return authorization, as items may be returned to a facility other than their point of origin. Refunds will generally be processed within 48 business hours of receipt at our warehouse in order to allow for inspection and processing.

Markdown and Open Box items are offered at a discount as they have either been overstocked, slightly damaged, and/or returned from a previous customer. Items are sold "as-is."Lift Kits 4 Vets will indicate any damage found during the inspection process. Please note that this does not guarantee that all defects have been identified. Sales for all items in this category are final. No refunds, exchanges, or replacements are permitted. Some manufacturers may continue to warranty such items; however, the purchaser accepts that some manufacturers may not extend warranties to items in this category. Please refer to the individual product manufacturer's warranty page for details.

How do I request a return?
Use the Contact page, ensuring to include your order number, contact information, items for return, and reason for return. One of our team members will contact you with return shipping details and instructions. Additional information and documentation may be required.
Note: Some items must be returned directly to the manufacturer. Please do not ship items to Lift Kits 4 Vets prior to return authorization and return instructions.

How do I request a replacement for a missing or damaged part?
Upon receipt, please inspect all orders for completion, accuracy, and damage. If packaging appears to be damaged, ensure to photograph the damage, as this may be required for a shipping carrier claim.
Use the Contact page, ensuring to include your order number, contact information, and description of the incorrect or damaged part(s). One of our team members will contact you to correct the issue.

What product warranties does Lift Kits 4 Vets offer?
Product warranties are solely offered by product manufacturers. Please refer to the product manufacturer's warranty statement. In the event of a warranty claim, Lift Kits 4 Vets is available to assist with the manufacturer's required documentation. Please use the Contact page if assistance is required.