The Peterbilt 389 2007-2010 53 Inch By 4 Inch Cab Skirts are made of durable stainless steel, ensuring long-lasting quality. These cab skirts are designed to be used with factory cowl panels and come with three amber/clear LED lights on each skirt. The driver side panel also features a block heater cutout for added convenience. Sold in pairs, these cab skirts include all the necessary hardware, lights, and harnesses for easy installation. With a width of 4 inches and a length of 53 inches, they can be easily mounted to the underside of the cab with some drilling. These cab skirts are compatible with most Peterbilt 389 2007-2010 makes and models, making them a practical and stylish addition to your truck.