Designed for the absolute harshest environments, the AutoMeter Extreme Environment series gauges provide the very best in waterproof sealing. Seeing the exact fuel pressure on your vehicle can mean the difference between extracting the most performance safely and expensive failures. The life blood of your engine, a lack of oil pressure is one of the most catastrophic scenarios that can happen. Knowing the precise pressure is critical to both its longevity and performance, as well as your peace of mind. AutoMeter?s Digital Stepper Motor Oil 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. Waterproof Design - Sealed front and rear for protection against the elements in exposed cockpits EXTREME ENVIRONMENT