10mm Water Sensor for MyChron 3, 4, and 5 GaugesWhy risk engine failure when you can monitor it flawlessly? This 10mm water sensor fits perfectly with MyChron 3, 4, and 5 gauges, delivering accurate coolant temperature data that informs every race decision. Requires a compatible extension for secure wiring. Built for durability in demanding kart environments. Provides insights to fine tune cooling systems for peak efficiency. By integrating this sensor into your setup, you'll detect overheating