Weld On Bung & Plug Kit
(Thread-In Bosch Style)
If you are installing an oxygen sensor in a system that didn't originally come with one, or if you are installing a stand-alone Wideband AFR gauge, you will need this kit. It comes with the bung (18mm x 1.5 thread) and plug. Must be welded in. Bung is Stainless, plug is Steel.
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- Thread-in Bosch Style Oxygen Sensors
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Jason give 5 stars
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O2 sensor bung
Very well made.