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)
Installation Instructions
- 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 |
SHIPPING
All items are subject to a handling period before they are dispatched. 99% of orders leave the warehouse within 1-3 days of payment. We will notify you by email when your items have been shipped. Most items should be received within 3-7 business days of your order date. This may be longer for international delivery.
* DELIVERY TIME= Processing Time + Shipping Time
* These shipping times are estimates, not guarantees but we always strive to get your order to you as soon as possible.
Shipping Costs:
β Shipping fees are calculated at checkout based on your location and the chosen shipping method.
Order Tracking:
β Once your order ships, you will receive a confirmation email with a tracking number and a link to monitor your shipment's status.
International Shipping:
β We ship to more than 140 countries on MOST but not all brands. International shipping is calculated live at checkout from your address and the size and weight of your order. Some parts ship directly from our US distributorβs warehouse, so one order may arrive in more than one package.
Customs, Duties & Import Taxes:
β International orders ship duties unpaid. Import taxes, VAT, duties and brokerage fees are not included in our prices or shipping charges and are the buyerβs responsibility. They are collected by the carrier (DHL, UPS, FedEx or USPS) on delivery.
β If an international package is refused or not collected, the original shipping charge, the return shipping cost and any carrier or customs fees will be deducted from any refund.
β Please check with your local customs office before ordering. You are responsible for making sure the parts you order can be legally imported and used in your country.
Lost or Damaged Shipments:
β We are not liable for packages that are lost or damaged during shipping. For damaged items, please contact the shipping carrier to file a claim.
Customer Service Contact:
β For any questions regarding shipping, reach out to our customer service team at sales@sbxperformance.com
RETURN/REFUND POLICY
We have a 30-day return policy, which means you have 30 days of purchase your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. Youβll also need the receipt or proof of purchase.
-Returns accepted within 30 days of purchase if the item is unused and in original packaging.
-Customer is responsible for return shipping unless the product is defective.
-Refunds processed within 5-7 business days after receiving the returned item.
To start a return, you can contact us at sales@sbxperformance.com.
If your return is accepted, weβll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at sales@sbxperformance.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
We do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. Youβll also need the receipt or proof of purchase.
Refunds
We will notify you once weβve received and inspected your return, and let you know if the refund was approved or not. If approved, youβll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since weβve approved your return, please contact us at sales@sbxperformance.com.
