Description The BackRack 40120 Low Profile Tonneau Hardware Kit provides compatibility between your BackRack cab guard and tonneau covers that clamp to the inside of the bed rails on 2014-2018 Chevrolet Silverado and GMC Sierra trucks. Built from reinforced steel with a protective powder coat finish, this kit delivers the mounting solution for inside-rail covers where wide-top kits aren’t appropriate. Key Features Specifically designed for inside-rail clamping tonneau covers. Reinforced steel construction ensures high strength and rigidity. Black powder coat finish resists scratches, chips, and corrosion. Complete kit includes everything required except BackRack frame. Allows toolbox installation flush against BackRack without drilling. What’s Included Complete low profile tonneau adapter hardware kit | All mounting brackets and fasteners | Neoprene strips and rail plates | Installation instructions | Note: Replaces previous part number 40119 | BackRack frame sold separately Specifications Application: 2014-2018 Chevrolet Silverado 1500 | 2015-2019 Chevrolet Silverado 2500HD/3500HD | 2014-2018 GMC Sierra 1500 | 2015-2019 GMC Sierra 2500HD/3500HD | Tonneau Type: Inside-Rail Clamping Covers | Installation: No-Drill | Material: Reinforced Steel | Finish: Black Powder Coat | Warranty: 1-Year Workmanship Installation Notes Use this kit for inside-rail tonneau covers. If your cover sits on top of the bed rails, choose 50120 wide-top kit instead. Check BackRack’s tonneau compatibility chart for your specific cover model. Our Take The 40120 handles the common scenario where you want both a tonneau cover and headache rack on your 2014-2018 Silverado or Sierra. When your tonneau clamps inside the rails, this low profile kit provides the clean integration you’re looking for.
