4MX 1.8 Bar Black Rad/Radiator Cap Thermo Safety Gauge for Suzuki DRZ 400/400S     Brand New product with thermometer innovation. Patented design displays the temperature of the radiator to prevent accidental injuries when the coolant is hot. It also allows you to monitor the cooling system temperature under extreme use or race conditions. Features: Made from high quality materials Easy installation - same as any other radiator cap Patented temperature reading on the face of the cap               Please check the listing to make sure this radiator cap is suitable for your machine, this product is not universal fitment it only fits the models in the fitment list!