What size is this hardware kit?

This is the standard 21-inch kit. It's designed to work with most common toolbox sizes, but measure your application to be sure.

Will this work with toolboxes from other manufacturers?

This kit is designed to work with BackRack truck racks. While it may be compatible with other brands, BackRack doesn't guarantee fitment with non-BackRack products.

Does this kit come with instructions?

Yes, the kit includes all necessary hardware and detailed installation instructions. Refer to the manufacturer's instructions for proper installation.

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Specifications

Brand: BackRack
Part #: 40122
UPC: 834136005451

BackRack 2019+ Silverado Sierra Low Profile Tonneau Hardware Kit

Name: BackRack 2019+ Silverado Sierra Low Profile Tonneau Hardware Kit
Brand: BackRack
SKU: backrack-backrack-2019-silverado-sierra-low-profile-tonneau-hardware-kit-t14-438492
Price: 199.99 USD
Availability: InStock

$199.99

Only 2 left in stock

Replaces standard railmount hardware. Allows a toolbox to be installed flush against the BackRack(TM).

Key Features

Replaces standard hardware — for low profile mounting
Mounts toolbox flush — eliminates the gap
No drilling required — installs without modifying the truck bed

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

Replaces Standard Railmount Hardware. Allows Toolbox to be installed flush against BackRack(TM). Eliminates gap between Toolbox and Backrack. Allows Toolbox to be installed without drilling into truck bed. Standard 21 inches.