2Pcs 45mm M18*1.5 O2 Oxygen Sensor Extender Extension Spacer Bungs Adapter

M18 1.5 thread pitch, 45mm length Oxygen Sensor Extender Spacer Bungs Adapter.These are needed when using a HHO System or a test pipe. Thread Size: M18 1.5. Item Quantity: 2Pcs. Application: for oxygen sensor extension.

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