The Prosport 52MM White and Amber Wideband Air Fuel Ratio Kit has been designed for you to provide good insurance for your engine. If you don’t know where your air/fuel ratios are, and if you continue to run your car hard then you risk either leaning your engine out, or even washing a cylinder.
The Prosport Wideband Air Fuel Ratio Gauge features the latest Bosch wideband O2 sensor which is a 5-wire heated LSU 4.9, and Prosport Inc. is the only one in the USA to use them. This wi. . . Show More >