So you are building your top of the podium racecar and need to add a temperature sender to your radiator hose, the Mishimoto Water Temperature Sensor Adapter is what you need.
Warning: Last items in stock!
If you want to easily put a temperature sensor in your radiator hose, then this is your kit. Installation is probably one of the easiest things you will ever do to your race car, also. Just remove about 1.5" from your 30mm id radiator hose and install the water temperature sensor adapter using the supplied hose clamps (2).
Not only do you have the benefits of a quality temperature gauge to be easily installed in your track machine, you also have a real easy way to bleed the coolant system of trapped air via loosening the sensor from the housing on this light weight, but rugged adapter fitting.
Water Temperature Sensor Adapter Details: