Faria Euro Black 2" Fuel Level Gauge [12801] Brand_Veratron These tachometers have a warning

These tachometers have a warning light system built into the dial that show off warning indicators when a fault is detected from the engine

Small holes at the top and bottom of the tube act as a baffle to fuel sloshing around in the fuel tank

SingleViu 80mm (3-1/8") Speedometer - 160MPH

Chesapeake White SS 2" Fuel Level Gauge - Metric (E-1/2-F)

Compensation chamber

Faria Euro Black 2" Fuel Level Gauge [12801] Brand_Veratron These tachometers have a warningEuro Black 2" Fuel Level Gauge (E 1 2 F) Perimeter lighted Black dial with bold White graphics, Black aluminum bezel, contoured White pointer and flat glass lens. Fuel Level gauge operates by sending a low amperage current through the gauges 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