Drag Specialties Oxygen Sensor Bung Adapter Kit For Harley

If you're attempting to remove your catalytic converter or run early-style pipes to expand your selection of exhausts, this kit will allow you to make the switch.

Features:

• Allows use of later 12mm O2 sensors in earlier exhausts equipped with 18mm O2 sensors
• Contains two bung reducers, and extension wires to extend your sensor harnesses if necessary