Koso

Koso O2 Sensor Bung

Weld-in O2 sensor bung allows intallation of O2 sensors in any exhaust system

Koso O2 Sensor Bung and Plug Kit

Weld-in O2 sensor bung allows installation of O2 sensors in any exhaust system O2 sensor bung plug works with any O2 sensor plug; 18mm x 1.5p

Koso O2 Sensor Bung Plug

O2 sensor bung plug works with any O2 sensor plug; 18mm x 1.5p

Koso O2 Sensor Bung Plug Washer

Aluminum bung plug washer fits any 18mm O2 Sensor bung plug