Brand: Westach Gauges
This rotary switch allows a single gauge (or one side of a dual gauge) to read up to 4 CHT or EGT thermocouple probes (probes are not included). Two of these switches will let you monitor 8 cylinders with just one dual gauge. For use with Westach EGT and CHT gauges, Part Nos. 1057, 1081, 1082, and WBT-2C1.
4-Position Selector Switch Manual