2-1/16 In. OIL PRESSURE 5-100 PSI ULTRA-LITE DIGITALWithout Oil Pressure, Your Engine Is Not Likely To Run For Long. There Are Few Parameters That Are More Important To Have Precise Readings On In Your Vehicle. Autometers Digital Oil Pressure Gauges Uses An 1 8" Npt Pressure Transducer For Incredible Accuracy And Response Time. Features Autometers E Z View Digital Led Display System Which Maximizes Readability And Minimizes Distracting High Speed Digit Changes Includes race proven pressure transducer,