ITEM NAME:M18 X 1.5 Extender Extension Adapter O2 Oxygen Sensor Spacer Test Pipe Bung 32mm O2 Oxygen Sensor Test Pipe Extension Extender Adapter Spacer Bung M18 x 1.5 SPECIFICATIONS.(32mm O2 Oxygen Sensor Test Pipe Extension Extender Adapter Spacer Bung M18 x 1.5. Thread: M18 1.5mm. 3) They are very easy to install by unscrewing your O2 sensor from your exhaust then screw your sensor into the extender.
