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
Wideband Air/Fuel Ratio Monitors
Oxygen Sensor Weld Bungs and Fittings
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Recent Top Selling Products for this category
|Wideband O2 Sensor Only (Bosch LSU 4.2) for Auto Meter|
This Bosch LSU 4.2 O2 Sensor gives a more linear response than a single-wire sensor, and accurately measures mixtures as rich as 9.0:1 and as lean as pure air.
|Wideband O2 Sensor Only (Bosch LSU 4.9), for AiM LCU-One|
This genuine Bosch wideband O2 (Lambda) sensor is the direct replacement for the sensor supplied with the AiM LCU-One Lambda Controller.
|K&N Weld Fitting for Oxygen Sensor|
This K&N Weld fitting is a spare weld fitting for use with the K&N Fuel/Air Ratio monitor kits. Internal thread is standard 18x1.5mm.