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Vibrant threaded hex bolt oxygen sensor bung plug is a zinc-plated mild steel fastener intended to plug O2 sensor bungs. The M12 x 1.25 thread size and hex head profile allow secure installation and removal while zinc plating helps protect threads from damage during thermal cycles. Sold as a single, retail-packed piece, it provides a straightforward way to close unused sensor ports in exhaust or header work.
Vibrant Threaded Hex Bolt for Plugging O2 Sensor Bungs (Single)
