KOSO NORTH AMERICA Exhaust Bung with Cap and Washer BG001813
- Weld-in O2 sensor bung lets you incorporate O2 sensors into any exhaust system; 18mm x 1.5p
- O2 sensor bung plug works with any O2 sensor port; 18mm x 1.5p
- Aluminum bung plug washer works with any 18mm O2 sensor bung plug