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. It is easy to install, using two factory bolts and five additional screws to mount on the back of the sleeper. With four oval light holes (lights not included), there are many lighting options available. Fits most Peterbilt 387 and 587 sleepers. Manufactured by Roadworks, this product comes with a 1-year warranty. Contact us for more details.