Get an accurate reading on your fluid levels to get the most performance out of your ride with the AEM 35 PSI Digital LED Vehicle Boost Gauge. With a sweeping LED needlethat gives you a PSI readout in 1 PSI increments from -30 to 35, this gauge is an easy way to keep tabs on pressure and engine function. It also features a 3-digit numerical readout for fast reference. This AEM gauge is perfect for carbureted or EFI (Electronic Fuel Injection) vehicles, plus it has a 0 to 5-volt analog output included so you can use a data logger or most engine management systems like Infinity ECU, Series 2 EMS, or AQ-1 Data Logger. Installation is a snap with the easy-to-install, plug and play harness and sensor, plus you can customize your look with the interchangeable black or white faceplates.