The Peterbilt 567 Set-Back Axle Long Hood and 579 Long Hood Cab/Sleeper/Extender Skirt Kit is a practical and versatile solution for 72-inch sleeper models with extenders and underbody exhaust. Made from stainless steel, this kit is designed to fit most Peterbilt 567 and 579 makes and models. The driver side features a block heater cutout, and the skirts are plain with no lights, measuring 2.5 inches wide. Sold as a kit with included hardware, drilling is required for installation. Enhance the functionality and style of your truck with this reliable and durable kit.