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.
Installation InstructionsThis Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2018 | Chevrolet | Silverado 1500 | Custom |
| 2014-2018 | Chevrolet | Silverado 1500 | High Country |
| 2009-2013 | Chevrolet | Silverado 1500 | Hybrid |
| 2007-2013,2015-2018 | Chevrolet | Silverado 1500 | LS |
| 2007-2018 | Chevrolet | Silverado 1500 | LT |
| 2007-2018 | Chevrolet | Silverado 1500 | LTZ |
| 2015-2018 | Chevrolet | Silverado 1500 | SSV |
| 2007-2018 | Chevrolet | Silverado 1500 | WT |
| 2010-2013 | Chevrolet | Silverado 1500 | XFE |
| 2019 | Chevrolet | Silverado 1500 LD | Custom |
| 2019 | Chevrolet | Silverado 1500 LD | LT |
| 2019 | Chevrolet | Silverado 1500 LD | WT |
| 2015-2019 | Chevrolet | Silverado 2500 HD | High Country |
| 2007-2019 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2019 | Chevrolet | Silverado 2500 HD | LTZ |
| 2007-2019 | Chevrolet | Silverado 2500 HD | WT |
| 2015-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2007-2019 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2019 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2019 | Chevrolet | Silverado 3500 HD | WT |
| 2014-2018 | GMC | Sierra 1500 | Base |
| 2007-2018 | GMC | Sierra 1500 | Denali |
| 2009-2013 | GMC | Sierra 1500 | Hybrid |
| 2007-2013 | GMC | Sierra 1500 | SL |
| 2007-2018 | GMC | Sierra 1500 | SLE |
| 2007-2018 | GMC | Sierra 1500 | SLT |
| 2007-2013 | GMC | Sierra 1500 | WT |
| 2010-2013 | GMC | Sierra 1500 | XFE |
| 2019 | GMC | Sierra 1500 Limited | Base |
| 2019 | GMC | Sierra 1500 Limited | SLE |
| 2015-2019 | GMC | Sierra 2500 HD | Base |
| 2011-2019 | GMC | Sierra 2500 HD | Denali |
| 2007-2019 | GMC | Sierra 2500 HD | SLE |
| 2007-2019 | GMC | Sierra 2500 HD | SLT |
| 2007-2014 | GMC | Sierra 2500 HD | WT |
| 2015-2019 | GMC | Sierra 3500 HD | Base |
| 2011-2019 | GMC | Sierra 3500 HD | Denali |
| 2007-2019 | GMC | Sierra 3500 HD | SLE |
| 2007-2019 | GMC | Sierra 3500 HD | SLT |
| 2007-2014 | GMC | Sierra 3500 HD | WT |
Most items ship directly from authorized distributors. Lead times vary by brand and availability.
Returns are permitted within 30 days of receiving your order under specific conditions. For more information, view our Return & Refund Policy
Professional installation available at our Metro Atlanta facility. Contact us to schedule your build.

