Keep tabs on the system pressure in your airbag system with AutoMeter ultra precise Mechanical Air Pressure Gauge. Engineered with the world's most accurate and durable bourdon tube meter movement, this is a gauge that is built to last under even the harshest conditions. Includes 1/8” NPT connections and nylon tubing for installation.Features: Traditional incandescent lighting illuminates around the perimeter of the dial AutoMeter’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 Mechanical movements provide accuracy and durability even in the harshest environments Gauge kit includes 1/8” nylon line, 1/8” NPT compression fittings, 1/4” NPT adapter, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation Product Description: 2-1/16" Air Pressure, 0-150 PSI, Ultra-LitePit Stop USA offers Auto Meter Ultra-Lite Mechanical Air Pressure Gauge - 2-1/16 in. 4320 at low everyday prices. Be sure to check out all our products from Auto Meter including Auto Meter Mechanical Air Pressure Gauges.