The Peterbilt 378, 379, 388, 389 1987-2004 Rear Air Cleaner Light Bars are a practical and durable solution for enhancing the visibility and style of your truck. Made from stainless steel, these light bars are designed specifically for models with 15 inch Vortox or Donaldson standard cans. Each light bar features eight 2 inch round holes and measures 27 inches long with a 7.25 inch mount. Sold in pairs, these light bars come with a harness included. Lights, grommets, and Y-splitters are sold separately. Suitable for most Peterbilt 378, 379, 388, and 389 1987-2004 makes and models, these light bars are a reliable choice for truck owners.