namz m18 to m12 o2 oxygen sensor bung reducer set BS90 Mounting diameter: 49 mm

Mounting diameter: 49 mm

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namz m18 to m12 o2 oxygen sensor bung reducer set BS90 Mounting diameter: 49 mmNamz M18 to M12 O2 Oxygen Sensor Bung Reducer Set The Namz O2 Sensor Bung Reducer Set simplifies custom exhaust modifications. It allows you to adapt 12mm O2 sensors from late model Harley Davidson motorcycles to fit older exhaust systems designed for 18mm sensors, making upgrades and retrofits seamless. Features: Reduces thread size from M18x1. 50 to M12x1. 25 Compatible with late Harley Davidson models using 12mm oxygen sensors Enables use of modern