Koso North America O2 Sensor Bung Adapter Bg001855

Weld-in O2 sensor bung lets you incorporate O2 sensors into any exhaust system; 18mm x 1.5pO2 sensor bung plug works with any O2 sensor port; 18mm x 1.5pAluminum bung plug washer works with any 18mm...

Aluminum bung plug washer works with any 18mm O2 sensor bung plug

For use with air/fuel ratio meters