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The RB10 Slim Line running board offers a slim, full-length step and panel protection for 2020–2022 GMC Sierra 3500HD Crew Cab (new body) 4‑door trucks. Fabricated from 16-gauge zinc-coated galvanized steel with a Raptor-inspired louvered face four inches at its widest point, the kit includes mounting brackets and a protective bedliner coating. It is covered by a limited lifetime materials warranty and a five-year textured black finish warranty.
Go Rhino 20-22 GMC Sierra 3500HD CC (New Bdy) RB10 Slim Running Boards Kit (w/Brackts) - Bedliner Ct
