The Auto Meter 8496 Factory Match HPOP Gauge is a high quality, precision gauge that is designed to match the look of your vehicle's original gauges. This full sweep electric gauge has a range of 0-4000 PSI and is 12 and 16 volt compatible. The included wiring harness connects to your vehicle's original equipment and the high pressure oil pump sensor wiring. The factory matched LED through-the-dial lighting ensures that you can easily see the gauge in any lighting conditions.