The Peterbilt 378 and 379 1987 and newer rear air cleaner light bars are made of stainless steel and designed to fit both Vortox and Donaldson standard air cleaners. Each light bar comes with eight 2-inch round red starburst lights, sold in pairs, and includes lights, hardware, and harness. These light bars are practical and versatile, fitting most Peterbilt 378 and 379 1987 and newer makes and models. With their durable stainless steel construction and included lights, they provide a reliable and stylish solution for enhancing visibility and safety on the road.