The Peterbilt 567 Set-Back Axle and 579 Long Hood Cab Skirts are a practical and stylish addition to your truck. Made of durable stainless steel, these cab skirts are designed for cab exhaust models and measure 2.75 inches wide. They are sold in pairs and come with all the necessary hardware for easy installation. While some drilling is required, they easily mount to the underside of the cab. With features like 2 block heater cutouts on the driver's side, these cab skirts are a perfect fit for most Peterbilt 567 and 579 makes and models, adding a sleek and functional touch to your truck.