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Air/Fuel Ratio Gauges

Correct air / fuel mixture is critical to achieving maximum power, efficiency, and engine life. The color of your exhaust pipe can only tell you so much! Air / Fuel Ratio Gauges tell you exactly what is happening in your engine, as it happens.

K&N Fuel/Air Ratio Monitors
K&N Fuel/Air Ratio Monitors
Wideband Air/Fuel Ratio Monitors
Wideband Air/Fuel Ratio Monitors
Oxygen Sensors
Oxygen Sensors
Oxygen Sensor Weld Bungs and Fittings
Oxygen Sensor Weld Bungs and Fittings

Recent Top Selling Products for this category

MTX-L Wideband Air/Fuel Ratio Gauge
MTX-L Wideband Air/Fuel Ratio Gauge

The MTX-L Wideband Air/Fuel Ratio Gauge has the digital wideband controller built into it. Large digital LED readout with 270-degree sweep "digital needle" makes it fast responding and accurate.

Wideband O2 Sensor Only (Bosch LSU 4.2) for Innovate
Wideband O2 Sensor Only (Bosch LSU 4.2) for Innovate

This Bosch LSU 4.2 Wideband 02 Sensor acts as an on-off switch signaling a rich or lean mixture. Gives a more linear response, accurately measuring mixtures as rich as 9.0:1 and as lean as pure air.

Optional Tailpipe Clamp Mount for Oxygen Sensor
Optional Tailpipe Clamp Mount for Oxygen Sensor

This Optional Tailpipe Clamp Mount for an Oxygen sensor is for vehicles without catalytic converters so it can hold the sensor to the correct depth, eliminating possible false readings.