HYAT 2pcs Stainless Steel Inner Hex Head Pipe Fitting Plug Oxygen O2 Sensor Bung with High Temperature Resistant Rubber Gasket (Green) M18x1.5 Thread

Package includes: 2 rings and 2 plugs.

Bungs are machined with M18-1.5 threads and have a recessed step for easier welding flush with a surface.

Allows removing oxygen sensor Made in China,if you interested in large quantities, pls send a message for a quote.