Innovate Motorsports 3892 PSB-1 Boost/Wideband Oxygen Gauge Kit All-in-one, boost safety override and wideband air/fuel ratio gauge Wideband O2 Compatible with several fuel types (Leaded, Unleaded, Diesel, E85 & more OLED user configurable display: Boost, shift light, Air/Fuel ratio AFR or Lambda, inHg, PSI, kPa, or BAR 4 BAR map sensor, pressure range -29 inHg to 43.5 PSI (-1 to 3 BAR) Configurable linear 0-5v analog output for wideband O for use with piggy back or stand alone ECU's as well as external data loggers