Description The FuelTech Cylinder Head Temperature Thermocouple offers faster and more accurate temperature reading for engine head temperature. The ring tip gives the sensor a lower thermal inertia and easier way to bolt to the head, allowing faster reading during temperature variation of the cylinder head. Temperature range: 32°F to 2200°F Wire lengths: 42″ The K-Type Cylinder Head Temperature Thermocouple Probe is compatible with the EGT-8 CAN and ETM-1 conditioners.