Autometer Phantom 52mm Electronic Air Fuel Ratio Gauge 1996-chevrolet-c2500-suburban-lt-esi5439955 Reads as low as -30inhg

Reads as low as -30inhg (-15psi) of vacuum

but then you've come to expect that from Borla(r)

All Balls Racing 04-06 Yamaha YFM350FA Bruin 4WD Differential Bearing & Seal Kit Front

Access ADARAC M-Series 2014-2019 Chevy/GMC Full Size 1500 6ft 6in Bed Truck Rack

Choose from the split rear dual system (PN11755) or the single exit (PN11754)

Autometer Phantom 52mm Electronic Air Fuel Ratio Gauge 1996-chevrolet-c2500-suburban-lt-esi5439955 Reads as low as -30inhgRunning too lean while enjoying spirited driving in your vehicle is one of the leading causes of expensive engine damage. AutoMeters Narrowband Air Fuel Gauges pair with older Oxygen Sensors to warn of lean burn conditions under heavy engine load. Connects directly to the factory O2 sensor on many applications, or uses the AutoMeter 2244 Narrowband O2 sensor. Not compatible with 5 wire air fuel sensors. Will not work with wideband O2 sensors (0 5V)