Know your exact blower pressure with AutoMeter's ultra-precise bourdon tube meter movement, the standard for accuracy and durability in the industry for generations. A simple 1/8” NPT pressure connection requires no electrical hookup for operation. An optional blower memory kit provides a one way check valve for peak recall after your run.Features: Traditional incandescent lighting illuminates around the perimeter of the dial Liquid dampened movement provides smooth pointer movement and extended service life in harsh environment applications. Liquid filled design for superior resistance to shock, vibration, and the elements. 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 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: 2-5/8" Blower Pressure Gauge, 0-60 PSI, Liquid Filled, Pro-CompPit Stop USA offers Auto Meter Pro-Comp Liquid-Filled Mechanical Blower Pressure Gauge - 2-5/8 in. 5402 at low everyday prices. Be sure to check out all our products from Auto Meter including Auto Meter Pressure Gauges.