The Roadworks Peterbilt Shock/Air Bag Covers are a practical and durable solution for 387/587 sleepers. Made of stainless steel, this kit includes an upper piece that conceals shocks and a lower piece that conceals air bags. With four-inch round light holes (lights not included), there are many lighting options available. The covers are easy to install, using two factory bolts and five additional screws to mount on the back of the sleeper. Designed to fit most Peterbilt 387 and 587 sleepers, this product comes with a 1-year warranty from Roadworks. Contact us for more details.