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 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: 2-5/8" Blower Pressure Gauge, 0-60 PSI, Sport-CompPit Stop USA offers Auto Meter Sport-Comp Mechanical Blower Pressure Gauge - 2-5/8 in. 3402 at low everyday prices. Be sure to check out all our products from Auto Meter including Auto Meter Pressure Gauges.