Autometer 52mm Stack Instruments -30INHG to +30PSI Mechanical Boost Gauge - Black

This range of Stack gauges have been specifically designed for vehicles with no or low powered electrical systems.

• Ideal For Vehicles That Operate On Voltages Other Than 12V
• Bronze Bourdon Tube 270 Degree Sweep Movement
• Or Operate On A Battery With No Generator
• w/No Voltage At All Magneto Applications