ONE O2 sensor weld bung made of 304 Stainless - along with ONE coated steel bung plug.
304 STAINLESS O2 OXYGEN SENSOR BUNG M18 X 1.5 (10-Pack of 02 bungs) Expedited!
304 STAINLESS O2 OXYGEN SENSOR BUNG M18 *STEPPED 5-Pack 02 Bungs + 5 steel plugs
304 STAINLESS O2 OXYGEN SENSOR BUNG M18 X 1.5 (5-Pack 02 Bungs + 5 steel plugs)