The Peterbilt 579 4 Inch Wide Cab Panels are designed for day cab or vertical exhaust with a heater hole. These cab panels are available in stainless steel and come with options such as blank, no lights or cutouts, or 4 elite mini style amber lights. Sold in pairs, these cab panels also include mounting hardware and are compatible with most Peterbilt 579 models. Enhance the practicality and aesthetics of your truck with these durable and versatile cab panels.