GlowShift’s 10 Color Digital Series 100 PSI Fuel Pressure Gauge is electronically driven and reads fuel pressure levels from 0 to 100 PSI. This gauge is important for any vehicle as it allows you to closely monitor changing pressures, ensuring your vehicle is running at optimal levels. The 10 Color Digital Gauge Series features a Low Profile Tinted Lens with a Digital Numerical Readout for quick readings. You’ll also have the choice of a blue, green, red, yellow, white, teal, purple, pink, amber or orange LED display on a black gauge face.