zippers weld in o2 oxygen sensor bung Style:Straight Big Twin transmission oil is

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zippers weld in o2 oxygen sensor bung Style:Straight Big Twin transmission oil isZippers Weld In O2 Oxygen Sensor Bung The Zipper weld in oxygen sensor bung is used in for custom exhaust applications. Designed to accommodate 18mm oxygen sensors, this durable plain steel bung ensures a secure and reliable fit for your O2 sensor needs. Features: Made from plain steel Easy to weld M18x1. 5 thread size Available in a standard straight style or machined at a 45 angle Sold each