Ledaut O2 Oxygen Sensor Mounting Boss And Plugs (2 Bungs/ 2 Plugs) Notched Style Oxygen Sensor Fitting Bungs M18X1.5

Ledaut O2 oxygen sensor bung was made of 304 stainless steel The oxygen sensor nut bung cap was made of plated mild steel with zinc plating. Weld bung and plugs was easy to weld and offer fantastic value for the user. Size: standard M18 X 1.5 thread (both bung and plug) Notched Style Package Includes : 2 x O2 Oxygen Sensor Nut Bung 2 x O2 Oxygen Sensor Plug Designed to adding a 02 sensor in any place you need one . Great for custom exhaust installation,headers,down pipes etc.