Auto Meter 3301 Sport-Comp Mechanical Boost/Vacuum Gauge - 2.3125 Inch Diameter - High Performance Car & Racing Vehicle Monitoring - Perfect for Turbocharged Engines & Engine Tuning

This diverse series of gauges combines the classic tough Auto Meter look with over 30 years of race proven design. Red pointer for quick glance monitoring. Rugged reliable performance. Precision movement and extreme accuracy..

Traditional incandescent lighting illuminates around the perimeter of the dial

Auto Meter’s race proven mechanical instruments provide trusted accuracy while being simple to install

No electrical system required for gauge operation - compatible with every street or race vehicle

Gauge kit includes 1/8” nylon line, T-Fitting, vacuum fitting, compression fittings, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation

Mechanical movements provide accuracy and durability even in the harshest environments