The AutoMeter 52mm mechanical boost gauge covers -30 inHg to +30 PSI and is engineered for vehicles with low- or no-voltage electrical systems. This mechanical gauge includes a T-fitting and is suitable for magneto or other nonstandard electrical environments, providing a reliable boost reading where electrical gauges may not function and offering straightforward mechanical connection for turbocharged setups.
Autometer 52mm Stack Instruments -30INHG to +30PSI Mechanical Boost Gauge - Black