Keeping track of the vacuum and boost on your forced induction application is critical for extracting the most power safely while keeping your engine in the powerband. AutoMeters Digital Stepper Motor Boost/Vacuum Gauges provide the most accurate readings available, unparalleled response time and smooth needle movement. Taking advantage of AutoMeters advanced circuitry, these gauges automatically calibrate on every startup to compensate for altitude, barometric pressure and other atmospheric conditions. Includes an advanced MAP sensor and wiring harness for ease of installation. Designed for gasoline engines, a boost only version is also available for diesel or extreme boost applications Features Traditional incandescent lighting illuminates around the perimeter of the dial Auto Meters race proven mechanical instruments provide trusted accuracy while being simple to install Includes data acquisition grade solid-state MAP Sensor, providing unmatched accuracy and durability even in the harshest environments Benefits Acquire data for later review with one-touch Peak Recall functionality Set a custom alert specific to your vehicle & receive warning notification to highlight the need for driver attention 12 and 16 volt compatible, compatible with nearly every street car or race car electrical system Applications Universal What’s in the box? Autometer Ultra-Lite 52mm 30 PSI Mechanical Boost Gauge MAP Sensor T-Fitting Vacuum fittings Wiring harness Nylon tubing Bulb and socket assembly Red and green bulb covers Mounting hardware Detailed instructions for installation