The Peterbilt 379 1987 and Newer Cab Skirts with 4 Inch Face are a practical and durable addition to your truck. Made from stainless steel, these cab skirts are available in a plain design with no lights. Measuring 4 inches wide, they are sold in pairs and easily mount to the underside of the cab. While some drilling is required, all necessary hardware is included. These cab skirts are designed to fit most Peterbilt 379 1987 and newer makes and models, providing a sleek and functional upgrade to your truck's appearance.