AutoMeter Dodge 4th Gen Factory Match Digital 2-1/16" 0-30K PSI Fuel Rail Pressure 

Ultra 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.