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The AutoMeter Pro-Comp mechanical boost/vac gauge (30 in Hg/20 PSI) uses a high-precision Bourdon tube movement and requires only a simple 1/8-inch NPT pressure connection—no electrical hookup. The kit includes 1/8-inch nylon line, fittings, bulb and socket assembly, red and green bulb covers, mounting hardware and instructions, providing a complete mechanical boost or vacuum gauge solution for compatible applications.
Autometer Pro-Comp 30 In Hg/20 PSI Liquid Filled Mechanical Boost Gauge
