EVO Air/Fuel Ratio Gauge(complete set)This new version Evolution gauge is only 52mm in diameter, but it has a larger visible size. With the high quality VA screen and high permeability glass, this gauge brings an amazing appearance and performance. In the meanwhile, perfect programming and good quality can satisfy your requirements very well, such as fast response rate, available buzzer, adjustable dimming, remote button and so on. Features This digital gauge use 8 pieces high quality

providing an early warning of any potential issues

These types of issues tend to manifest most often in hot weather

It's easy to adjust the colour of the gauge to match your factory dash lights or create a custom look inside of your car or truck

A fuel pressure gauge helps ensure your engine runs at optimal fuel pressure

> 52mm(2-1/16'') 0-140 Psi Oil Pressure Gauge

allowing for better overall performance

This can lead to better fuel economy

With special dial surface printing technology

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Easily cycle through the 7 Solid Color Settings and Colour Cycle Modes

it brings a high brightness backlit in the daytime

many car owners cannot support the repair shop