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The AutoMeter Sport‑Comp II 52mm mechanical boost gauge (0–35 PSI) uses a reliable bourdon tube movement for boost monitoring without electrical power. A standard 1/8" NPT pressure connection is used and the gauge kit includes nylon line, 1/8" NPT compression fittings, a 1/4" NPT adapter, mounting hardware and installation instructions. Modern LED through‑the‑dial lighting provides clear nighttime readability.
Autometer GM Mechanical 52mm 0-35 PSI Boost Gauge
