PartsTrend 4" Black Side Step Nerf Bars Running Boards Compatible with 2004 2005 2006 2007 2008 Ford F150 Super Crew Cab 2Pcs Ford F150 nerf bars for both driver & passenger sides, all mounting hardware and installation instruction included. Polished to a black powder coated finish making the running board will never rust. UV resistant non-slip wide step pads, the step boards are made of heavy duty Black Powder-Coated 4 inch round tubing rust resistant. Feature no-drill for ease installation of the F150 side step rail and truly custom fit. Compatible with: the nerf bar for 2004 2005 2006 2007 2008 Ford F150 Super Crew Cab. Quality, 360 Days Safe Warranty.