Nfab N-Durastep Nerf Step Bar, Wheel to Wheel NDF11111CC Fits 2011 to 2013 Ford F250, F350 and F450 Crew Cab Dually; N-Durastep Finish: Black Powder Coated; Number of Steps: 4; Bar Diameter: 3; Length Modular: Welded One Piece Construction; Body Lift Compatibility: Yes; Weight Rating: 445; Sold as a pair FORD F-250 SUPER DUTY F-350 SUPER DUTY F-450 SUPER DUTY KING RANCH LARIAT PLATINUM XL XLT 2011 2012 2013 2014 2015 6.2L Triton (379) 6.7L Powerstroke Turbo Diesel (406) 6.8L Triton (415) 6.8L Triton (415) 3-Valve CNG DIESEL FLEX GAS LPG Nfab N-FAB N-Durastep Wheel To Wheel Nerf Steps (Black) - NDF11111CC NDF11111CC Nerf/Step Bar Wheel to Wheel