EURO BLK 80 MPH SPEEDO

Features Pressure gauge operates by sending a low amperage current through the gauge's meter to ground via a sending unit with variable resistance.; The resistance of the sending units increase or decrease with the changes in pressure, temperature, etc.; As the sender's resistance varies, the amount of current allowed to flow through it to ground changes and the meter deflects, showing the change in pressure.; Item Weight - 0.70 lbs.;.