iBoard (Black Powder Coated 4 inches) Running Boards | Nerf Bars | Side Steps | Step Rails For 1999-2013 Chevy Silverado / GMC Sierra 1500/2500 Double Cab & 2001-2014 2500HD/3500 (Excl. C/K Classic) Set of 2 iBoard running boards for your truck or suv, INCLUDES support brackets, mounting Kit, hardware, and DIY instructions. Body Frame Mount (No Drilling Required) Easy to install, with NO DRILLING required for most trucks. Step bars bolt on to your truck's rocker panel or frame. BLACK 4" inch aluminum side steps with full coverage step pad - supports up to 300 LBS on either passenger or driver side. Check fitment notes or click on SEE ALL VEHICLES THIS PRODUCT FITS link. iBoard running boards fit dealer installed mudflaps or splash guards. Great looking CAB LENGTH nerf bars for your: 1999-2013 Chevy Silverado / GMC Sierra 1500/2500 Double Cab & 2001-2014 2500HD/3500 (Excl. C/K Classic)