BackRack 2019+ Silverado Sierra HD Only Low Profile Tonneau Hardware Kit

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. Optional 31 inches available.This Part Fits: Year Make Model Submodel 2020-2025 Chevrolet Silverado 2500 HD Custom 2020-2025 Chevrolet Silverado 2500 HD High Country 2020-2025 Chevrolet Silverado 2500 HD LT 2020-2025 Chevrolet Silverado 2500 HD LTZ 2020-2025 Chevrolet Silverado 2500 HD WT 2024-2025 Chevrolet Silverado 2500 HD ZR2 2020-2025 Chevrolet Silverado 3500 HD High Country 2020-2025 Chevrolet Silverado 3500 HD LT 2020-2025 Chevrolet Silverado 3500 HD LTZ 2020-2025 Chevrolet Silverado 3500 HD WT 2020-2025 GMC Sierra 2500 HD AT4 2024-2025 GMC Sierra 2500 HD AT4X 2020-2021 GMC Sierra 2500 HD Base 2020-2025 GMC Sierra 2500 HD Denali 2024-2025 GMC Sierra 2500 HD Denali Ultimate 2022-2025 GMC Sierra 2500 HD Pro 2020-2025 GMC Sierra 2500 HD SLE 2020-2025 GMC Sierra 2500 HD SLT 2020-2025 GMC Sierra 3500 HD AT4 2020-2021 GMC Sierra 3500 HD Base 2020-2025 GMC Sierra 3500 HD Denali 2024-2025 GMC Sierra 3500 HD Denali Ultimate 2022-2025 GMC Sierra 3500 HD Pro 2020-2025 GMC Sierra 3500 HD SLE 2020-2025 GMC Sierra 3500 HD SLT