The Roadworks Shock/Air Bag Covers for Peterbilt 387/587 Sleepers are a practical and durable solution for concealing shocks and air bags. Made from stainless steel, these covers are available in blank or louvered designs. Sold as a kit of two pieces, they are easy to install using factory bolts and additional screws. Designed to fit most Peterbilt 387 and 587 sleepers, these covers provide a sleek and polished look to your truck. With a 1-year warranty from Roadworks, you can trust in the quality and reliability of this product.