Go Rhino RB10 Slim Line running board kit for 2015–2019 GMC Sierra 2500/3500HD Double Cab (gas) gives a slim, full-length stepping surface with a classic four-inch louvered tread that protects panels and increases access. Built from 16-gauge zinc-coated galvanized steel, the boards come with mounting brackets and are available in textured finishes. Materials are covered by a Limited Lifetime warranty and the finish has a 5-year warranty.
Go Rhino 15-19 GMC Sierra 2500/3500HD DC (Gas) RB10 Slim Running Boards Kit (w/Brackets) - Tex. Blk