BackRack 2019+ Silverado Sierra HD Only Tonneau Hardware Kit - Wide Top

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. Tonneau Cover Hardware Kit; Wide Top; 2019-2021 Chevrolet Silverado 2500 HD Extang - Solid Fold Extang - Trifecta Gator - Hybrid Gator - Soft Tri Fold Ionic - Tri Fold Lund - Genesis Tri Fold Pro EFX - Tri Fold Rugged Cover - E Series Vinyl Folding Advantage Truck Acc - Hard Hat Rugged Cover - Hard Folding American Tonneau - Hard Tri Fold Rugged Cover - Premium Vinyl Folding American Tonneau - Soft Rolling Tonnopro - Hard Fold American Tonneau - Soft Tri Fold Tonnopro - Tonno Fold BesTop - EZ Fold Trail FX - Soft Tri Fold Enthuze - Hard Tri-Fold Extang - Trifecta ALX Enthuze - Soft Roll RTX - Soft Fold Enthuze - Soft Tri-Fold Enthuze - Hard Tri-Fold Wide Top, 2019-2021 Chevrolet Silverado 2500 HD Extang - Solid Fold Extang - Trifecta Gator - Hybrid Gator - Soft Tri Fold Ionic - Tri Fold Lund - Genesis Tri Fold Pro EFX - Tri Fold Rugged Cover - E Series Vinyl Folding Advantage Truck Acc - Hard Hat Rugged Cover - Hard Folding American Tonneau - Hard Tri Fold Rugged Cover - Premium Vinyl Folding American Tonneau - Soft Rolling Tonnopro - Hard Fold American Tonneau - Soft Tri Fold Tonnopro - Tonno Fold BesTop - EZ Fold Trail FX - Soft Tri Fold Enthuze - Hard Tri-Fold Extang - Trifecta ALX Enthuze - Soft Roll RTX - Soft Fold Enthuze - Soft Tri-Fold Enthuze - Hard Tri-Fold Wide Top, 2019-2021 Chevrolet Silverado 3500 HD Extang - Solid Fold Extang - Trifecta Gator - Hybrid Gator - Soft Tri Fold Ionic - Tri Fold Lund - Genesis Tri Fold Pro EFX - Tri Fold Rugged Cover - E Series Vinyl Folding Advantage Truck Acc - Hard Hat Rugged Cover - Hard Folding American Tonneau - Hard Tri Fold Rugged Cover - Premium Vinyl Folding American Tonneau - Soft Rolling Tonnopro - Hard Fold American Tonneau - Soft Tri Fold Tonnopro - Tonno Fold BesTop - EZ Fold Trail FX - Soft Tri Fold Enthuze - Hard Tri-Fold Extang - Trifecta ALX Enthuze - Soft Roll RTX - Soft Fold Enthuze - Soft Tri-Fold Enthuze - Hard Tri-Fold Wide Top ...See Application Guide for Additional Fitments Fitment: 2019 Chevrolet Silverado 2500 HD High Country 2019 Chevrolet Silverado 2500 HD LT 2019 Chevrolet Silverado 2500 HD LTZ 2019 Chevrolet Silverado 2500 HD WT 2019 Chevrolet Silverado 3500 HD High Country 2019 Chevrolet Silverado 3500 HD LT 2019 Chevrolet Silverado 3500 HD LTZ 2019 Chevrolet Silverado 3500 HD WT 2019 GMC Sierra 2500 HD Base 2019 GMC Sierra 2500 HD Denali 2019 GMC Sierra 2500 HD SLE 2019 GMC Sierra 2500 HD SLT 2019 GMC Sierra 3500 HD Base 2019 GMC Sierra 3500 HD Denali 2019 GMC Sierra 3500 HD SLE 2019 GMC Sierra 3500 HD SLT 2020 Chevrolet Silverado 2500 HD Custom 2020 Chevrolet Silverado 2500 HD High Country 2020 Chevrolet Silverado 2500 HD LT 2020 Chevrolet Silverado 2500 HD LTZ 2020 Chevrolet Silverado 2500 HD WT 2020 Chevrolet Silverado 3500 HD High Country 2020 Chevrolet Silverado 3500 HD LT 2020 Chevrolet Silverado 3500 HD LTZ 2020 Chevrolet Silverado 3500 HD WT 2020 GMC Sierra 2500 HD Base 2020 GMC Sierra 2500 HD Denali 2020 GMC Sierra 2500 HD SLE 2020 GMC Sierra 2500 HD SLT 2020 GMC Sierra 3500 HD Base 2020 GMC Sierra 3500 HD Denali 2020 GMC Sierra 3500 HD SLE 2020 GMC Sierra 3500 HD SLT 2021 Chevrolet Silverado 2500 HD Custom 2021 Chevrolet Silverado 2500 HD High Country 2021 Chevrolet Silverado 2500 HD LT 2021 Chevrolet Silverado 2500 HD LTZ 2021 Chevrolet Silverado 2500 HD WT 2021 Chevrolet Silverado 3500 HD High Country 2021 Chevrolet Silverado 3500 HD LT 2021 Chevrolet Silverado 3500 HD LTZ 2021 Chevrolet Silverado 3500 HD WT 2021 GMC Sierra 2500 HD Base 2021 GMC Sierra 2500 HD Denali 2021 GMC Sierra 2500 HD SLE 2021 GMC Sierra 2500 HD SLT 2021 GMC Sierra 3500 HD Base 2021 GMC Sierra 3500 HD Denali 2021 GMC Sierra 3500 HD SLE 2021 GMC Sierra 3500 HD SLT