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This FAST weld-in oxygen sensor bung is intended for wideband, closed-loop applications and allows installation of a wideband O2 sensor into an exhaust system. The referenced sensor range covers air/fuel ratios from about 9:1 to 16:1, making the bung appropriate for tuning and closed-loop AFR control when integrating a wideband sensor into aftermarket exhaust piping.
FAST Weld In 02 Fitting FAST
