Autometer Sport-Comp Water Temp A high water temp can be detrimental to an engine. Heat is the enemy of performance and reliability. Keep tabs on your temps with the most trusted water temperature gauge on the market. AutoMeters advanced 1/8NPT temperature transducer is included for a simple installation on any application. Feature Points: 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system. Gauge kit includes 1/8NPT temperature sender, 3/8and 1/2" NPT adapters, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation.  AutoMeters race proven air-core electric instruments provide quick and accurate readings while keeping hazardous fluids outside of the vehicle.  Instructions