Oil Pressure Gauge -Metric Ghost Flame Red, Black Modern Needles, Chrome Trim Rings - Style Kit DIY Install. Aurora oil pressure gauges offer precise stepper motor control and needle accuracy comparable to pressure gauges 3 times the price. Ideal for oil, coolant, fuel, air, or any pressure you want to monitor. Aurora pressure gauges are available in Metric (BAR) and Imperial (PSI) units of measure, making them ideal for all applications around the world. Advance LED illumination allows for precise, even lighting levels on the gauge face while reducing glare. All aurora oil pressure gauges include interchangeable trim rings, needles, and gauge faces - allowing you to change the look of your speedometer before or after installation. Aurora gauges offers the worlds largest selection of gauges and instrumentation for your ride, and are the worlds only gauges offering interchangeable gauge faces, trim rings, and needles.