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FAST‚ engineers have developed a kit that makes it easy for anyone to measure their engine‚ air/fuel ratio. This plug-and-play universal O2 sensor processing kit allows your data acquisition system or dyno software to record and display air/fuel ratios. Since it uses fully automatic sensor calibration, there‚ no need for manual ‚free-air‚ calibration that competitive units require. Additionally, each sensor kit is a standalone unit, so using multiple kits for measuring all your engine‚ cylinders is easy.