SMi™ Elite Waterproof Gauges, Oil Temperature/Water Temperature 100-340, Sensor IncludedThe next generation in instrumentation has arrived. Longacre Racing products is proud to introduce the all new SMi Elite Waterproof Gauges. Engineered for wet and dirty environments, the SMi Elite Waterproof Gauges provide the absolute best in waterproof sealing. These elite gauges provide the most precise measurements on the market with unmatched resistance to vibration, heat, and moisture. Manufactured with IP 66 certified methods to be waterproof;