HS Power 4" Oval SS Chrome Side Step NERF BAR Running Board 04-08 F150 Crew/SUPERCREW CAB Application: 2004-2008 Ford F150 Super Crew ( Crew ) Cab 4 Door Models ( Will Not Fit 2 / 3 Door Models & 04 Heritage Models ), 2006-2008 Lincoln Mark LT Models ( Fit Models With 4 Full Size Doors That Open In The Same Fashion ) 4" Inch Side Step Nerf Bars Heavy Duty T-304 Full Stainless Steel With 5 years Warranty Against Rust And Corrosion, Oval Design Provides A More Secure Area color:Chrome 465 lbs. Weight rating. Bar is positioned high and tight for a better fit and cleaner look. Professional installation is recommended