Mifeier 5" Side Step Rails Nerf Bars Running Boards For 07-16 Silverado/Sierra 1500/2500HD/3500HD Crew Cab (With 4 Full Size Doors) 2007-2017 Chevy Silverado/GMC Sierra 1500/2500/3500 New Body Style Crew Cab With 4 Full Size Doors Only (Exclude Diesel Models w/ DEF Tank) Item-offered, 2pcs 5" Oval Stainless Steel Side Step Nerf Bars + Brackets + Necessary Mounting Hardware + Installation Instruction Direct Bolt-On To The Rocker Panel,Professional installation is always recommended Material Made from heavy duty T304 Stainless Steel Position Come with both sides: 1pc for driver side and 1pc for passenger side.