2-1/16in. NITROUS PRESSURE; 0-1600 PSI; CARBON FIBERProper nitrous pressure is the difference between extracting maximum power from your engine and finishing second. AutoMeter's Digital Stepper Motor Nitrous Pressure Gauge uses our advanced 1/8 NPT solid state pressure transducer to give you the most precise possible reading of your system pressure ,up to 1600 psi. Built with the accuracy and durability required by the professional racer, there simply isn't a better possible solution. A direct plug in wiring harness is included for ease of installation and data logging is available thanks to a .5 - 4.5v analog output. Includes Data Logger Output Digital Stepper Motor Provides Unmatched Accuracy Easy Data Acquisition Installation Ultimate High Performance Dial Face Look Air Fuel Ratio Gauge Traditional Incandescent Lighting Illuminates Perimeter Of Dial 12 And 16 Volt Compatible Incl. Data Acquisition Solid-State Pressure Transducer Incl. 1/8 in. NPT Stainless Steel Pressure Transducer Incl. Wiring Harness Mounting Hardware/Installation Instructions Incl. Bulb Socket Assembly Red/Green Bulb Covers