4 SS CHROME SIDE STEP NERF BARS RUNNING BOARDS 99-18 SILVERADO/SIERRA EXTENDED. Will Fit Extended Cab Models With 2 Full Size Front Doors & Half Size Backward Doors.Will Not Fit Crew Cab Models With 4 Full Size Doors That Open In The Same Fashion. STYLE: 4 Inch Side Step Nerf Bars COLOR: Chrome FEATURES. Oval Style Side Step Bar. Oval Design Provides A More Secure Area. The item "4 SS CHROME SIDE STEP NERF BARS RUNNING BOARDS 99-18 SILVERADO/SIERRA EXTENDED" is in sale since Tuesday, October 14, 2014. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exterior\Nerf Bars & Running Boards". The seller is "champs_club" and is located in Walnut, California. This item can be shipped to United States, Canada.