BackRack 2007+ Chevy/GMC Silverado Sierra HD Only Low Profile 21in Drill Hardware Kit

Our new LOW PROFILE DRILL Hardware Kit is available for select late model fullsize trucks. These require you to drill two holes through the top of the bed rail for installation. If you must have the Toolbox sitting at bed rail height this is the option. Four carriage head bolts secure the assembly allowing you to place the Toolbox at a low profile using existing clamps that came with the Toolbox. Drill if you must. Not compatible with TONNEAU COVER ADAPTER Brackets.This Part Fits: Year Make Model Submodel 2019-2023 Chevrolet Silverado 1500 Custom 2019-2023 Chevrolet Silverado 1500 Custom Trail Boss 2019-2023 Chevrolet Silverado 1500 High Country 2019-2023 Chevrolet Silverado 1500 LT 2019-2023 Chevrolet Silverado 1500 LT Trail Boss 2019-2023 Chevrolet Silverado 1500 LTZ 2023 Chevrolet Silverado 1500 PPV 2019-2023 Chevrolet Silverado 1500 RST 2019-2021 Chevrolet Silverado 1500 SSV 2019-2023 Chevrolet Silverado 1500 WT 2022-2023 Chevrolet Silverado 1500 ZR2 2020-2