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The Stainless Bros M18x1.5 O2 sensor bung for 2.75in to 5in tubing is a stainless sensor fitting that allows installation of a standard M18x1.5 oxygen sensor into tubing between 2.75" and 5.00" diameter. It provides a threaded boss for sensor mounting to support exhaust tuning, wideband or narrowband sensor placement during custom fabrication projects.
Stainless Bros M18x1.5 O2 Sensor Bung 2.75in to 5in Tubing
