Autometer 2634 Auto Meter 2638 Z-Series Electric Oil Temperature Gauge Includes Sender And Adapters 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system Autometer Water Temp Gauge Wiring Gauge kit includes 1/8” NPT temperature sender, 3/8” and 1/2 NPT adapters, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation Keep tabs on your temps with the most trusted water temperature gauge on the market. Auto Meter’s advanced 1/8 NPT temperature transducer is included for a simple installation on any application Features rugged air core meter. 1930-2015 All Makes All Models Parts | AM1238 | Auto Meter Designer Auto Meter’s race proven air-core electric instruments provide quick and accurate readings while keeping hazardous fluids outside of the vehicle., Range:100-250 °F