Upgrade your Peterbilt 378 or 379 with these sleek and durable sleeper skirts designed for 63-inch sleepers. Made of high-quality stainless steel, each skirt comes with four amber LED lights and is designed to be used with TRP extender skirts. Sold in pairs, these skirts include all necessary hardware, lights, and harnesses, making installation a breeze. While some drilling may be required, these skirts are designed to fit most Peterbilt 378 and 379 makes and models, adding a touch of style and functionality to your truck.