Koso Hd-02 2 Oil Temperature Gauge For Harley Touring The Koso Plug and Play Oil Temperature Gauge is a direct replacement for the 2 air temperature gauge in your fairing, and provides real-time oil temperature monitoring so you always know when its safe to push, and when your bike needs a breather! Features: Plug and play installation Cycle between red and blue text Accurate to 400 degrees Available with black or silver bezel Matches the Hd-02 Gauge set