Auto Meter Sport-Comp 2-1/16 inch (52.4 millimeter) Short Sweep Electric Fuel Level Gauge (ranges 73 Ohms empty / 8- 12 ohms full). It features advanced 90 degree air core movements and simple three wire installation that characterize these high performance instruments. Electric sending units keep hazardous fluids in the engine compartment sending collected data through an electrical signal to quick reacting, precise air core movements to give you all the information that you need and nothing that you don’t. Air-Core meter movement. For most Fords before 1989 (except 1987 and later Mustang) and most Chryslers. Designed for use with Original Equipment non-linear fuel sensors.