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The AutoMeter 52.4mm mechanical vacuum/boost gauge uses a patented high‑precision Bourdon tube movement to deliver accurate, durable readings for boost and vacuum without electrical power. A single 1/8" NPT pressure connection requires no wiring; the kit includes 1/8" NPT fittings and a nylon line. Modern green LED through‑dial lighting improves night visibility while the mechanical movement resists vibration and harsh conditions.
Autometer 52.4mm Mechanical Vacuum / Boost Gauge
