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

Key Features

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

Fitment

Fits ’14-later XL, '16-'17 Dyna® FXDLS, '16-later Softail®, '14-later Touring (except '25-later FLTRXRRSE) and '17-later Trike models. Installation requires exhaust modification to incorporate wide-band oxygen sensors. Some models require Oxygen Sensor Harness Extension. For model specific installation requirements see Installation Instructions on H-D.com/shop. All models require ECM calibration with Screamin’ Eagle® Pro Street Tuner or dealership installed Screamin’ Eagle calibration for proper installation. 50-State U.S. EPA Compliant. Pending approval in California.