Turbo Gauge - SAE Iron Cross White Red Cross, Black Modern Needles, Chrome Trim Rings ~ Style Kit DIY InstallAurora turbo boost gauges offer precise stepper motor control and needle accuracy comparable to turbo boost gauges 3 times the price. Ideal for turbos, intake, exhaust or any boost or vacuum you want to monitor. Aurora turbo boost gauges are available in Metric (BAR) and Imperial (PSI) units of measure, making them ideal for all applications around the world. Advanced LED illumination allows for precise, even lighting levels on the gauge face while reducing glare. All aurora turbo boost gauges include interchangeable trim rings, needles, and gauge faces - allowing you to change the look of your turbo boost gauges before or after installation. Includes built-in sensor and backed by a Limited Lifetime Warranty.Aurora gauges offers the worlds largest selection of gauges and instrumentation for your ride, and are the world's only gauges offering interchangeable gauge faces, trim rings, and needles.