The Vengeance Series rear replacement sensor bumper combines superior strength and styling to give your vehicle that extra cool factor. Two front-side openings allow light options; (4) 2x2 Dually lights or (2) 6" light bars (lights are not included). Rear bumper is sensor compatible. Constructed out of 11gauge US Steel here in South Carolina. Two front-side openings allow light options; (4) 2x2 Dually lights or (2) 6" light bars (lights are not included) 11gauge US Steel Construction Sensor compatible Retain OEM Receiver Hitch and Wiring Locations Sensors optimized for vehicles with suspension lifts - stock height trucks may require tuning the sensor mount and will require special care.