CHT Sensor - Early Version | High-Performance Engine Temperature Monitor | Perfect for Automotive, Marine & Industrial Applications

 Cylinder Head Thermocouple sensor for Mychron 3 and 4.  This sensor installs between the cylinder head and the spark plug to monitor cylinder head temperatures.  The CHT sensor has a 3-pin 712 (screw-type) connector for use with the standard temperature input on AiM Mychron dashes.

Note that the later version requires extension cable.