Modified GM coolant temp sensor for Air-Cooled VW use. Just mount it with the #3 cylinder head tin securing bolt.
This is not meant to act as or replace a proper cylinder head temp sensor
Uses standard GM calibration tables. Here is info for 3 point reference:
-40°F - 100700 Ohms
86°F - 2238 Ohms
210°F - 177 Ohms