Designed for the absolute harshest environments, the AutoMeter Extreme Environment series gauges provide the very best in waterproof sealing. From high banked ovals to Saturday night 1/4 miles, knowing that you’ve got proper cooling system pressure is critical in any severe service application. AutoMeter’s Digital Stepper Motor Water Pressure Gauge utilizes the most advanced technology on the market to deliver accuracy and durability you won’t find anywhere else. Our advanced 1/8” NPT solid state pressure transducer (included) provides the best possible measurements with unparalleled resistance to vibration and heat. Preconfigured warning points change the gauge's LED illumination from white to red, allowing you to concentrate on the work at hand or taking the checkered flag.