An Ultra High Precision Digital Gauge Engineered For Diesel Applications But Also Perfect On Higher Boost Gasoline Engines. Using Autometers Advanced 1/8″ Npt Solid State Pressure Transducer, This Gauge Provides The Ultimate In Accuracy For Forced Induction Applications Producing From 5-60 Psi. A Direct Plug In Wiring Harness Is Included For Ease Of Installation. Digital Boost/Vacuum Gauges Are Also Available For Gasoline Or Lower Boost Applications.