Harley-Davidson M18 to M12 O2 Sensor Thread Adapters

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Threaded adaptors allow you to convert your M18 wideband O2 sensor equipped motorcycle back to the Original Equipment M12 O2 sensors.

  • Allows you to re-use your factory M12 threaded oxygen ensors after tuning the larger M18 threads found on the wideband oxygen sensors
  • Set of 2

Fits '18-later Softail and '17-later Touring motorcycles that have been modified for wide-band oxygen sensor use.


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