FAST weld-in oxygen sensor bungs are a must when you are retrofitting either fuel injection or testing equipment to the exhaust of your vehicle. They can be placed anywhere in the exhaust system and arrive ready for weld-in installation.

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Haltech Inputs and CAN Expansion Products, O2 Wideband Controllers & Accessories, O2 Sensor weld-on bung - 6061 Aluminium Thread: M18 x1.5, Each

Haltech Inputs and CAN Expansion Products, O2 Wideband Controllers & Accessories, O2 Sensor weld-on bung - 6061 Aluminium Thread: M18 x1.5, Each

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