AEM Boost Display Gauges

AEM 30-4406 / AEM 30-4408 Ideal for carbureted or EFI vehicles Easy-to-install Plug & Play harness and sensor included 24 green LED display lights provide immediate reference to monitored engine function Three digit readout in center Each gauge comes with interchangeable black/silver bezels and black/white faceplates 0-5V analog output included for use with data loggers and virtually any engine management system Auto-dimming gauge face and read out lighting Brass sensor included Standard 52mm (2-1/16”) gauge housing 30-4406 displays boost from -30 - 35 PSI 30-4408 displays boost from -30 - 50 PSI