Universal stainless steel weld-on o2 bung, could be welded to mild-steel, steel, and stainless steel piping. Great for custom oxygen sensor location, place it where you like to prolong the sensor life and get better accuracy reading. This weld on bung is notch for 1" diameter tubing for the best fitment.
Great for the following applications:
- Kawasaki Z125
- Honda CBR600RR
- and other vehicles that uses a 12mm o2 sensor