2-1/16in. HPOP PRESSURE; 0-4K PSI; PHANTOMUltra high pressures in modern direct injected diesel applications require precise monitoring to assure the longevity and power output of your engine. Using AutoMeter's advanced Digital Stepper Motor Drive, this gauge provide the most accurate possible reading, professional grade reliability and smooth pointer movement. Connects directly to your factory sensor with an included wiring harness. Incandescent Lighting Illuminates Around Perimeter Of Dial 12 And 16V Compatible Incl. Wiring Harness Incl. Bulb/Socket Assembly/Red And Green Bulb Covers Incl. Mounting Hardware/Instructions For Use w/1994-2003 7.3L Powerstroke For Use w/2003-2007 6.0L Powerstroke Digital Stepper Motor Provides Unmatched Accuracy Incl. Harness Connects To OE High Press. Oil Pump Sensor Wiring Application Summary: Year Make/Model 1994-1996 Ford F-250 1997 Ford F-250 HD 1999-2007 Ford F-250 Super Duty 1994-1997 Ford F-350 1999-2007 Ford F-350 Super Duty