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Go Rhino RB20 Slim Line running board kit for 2015–2019 GMC Sierra 2500/3500HD Double Cab gives a slim, protective full-length step that tucks close to the cab for extra ground clearance. Constructed from 16-gauge zinc-coated galvanized steel with a modern bullet-stamped 5½" tread, the kit includes mounting brackets and is offered in textured black or bedliner options. It carries a Limited Lifetime materials warranty and a 5-year finish warranty.
Go Rhino 15-19 GMC Sierra 2500/3500HD DC 4DR RB20 Slim Running Boards Kit (w/Brackets) - Tex. Blk
