The EGT probe consists of a special alloy sheath connected to a stainless steel clamp. The probe tip is installed in a small hole in the exhaust stack, secured by an adjustable clamp
GEM system CHT spring probe #2852. Insight provides two CHT type of probes. Spring probes which screw into the cylinder head thermowell, and Gasket Probes which replaces the spark plug gasket. ...
The Gasket Probe uses the same J-Type thermocouple as the Spring Probe. This probe replaces the gasket on 18mm spark plugs. The J-Type thermocouple has red and white color coded wires. Note tha...