Vance & Hines 12mm Zinc O2 Sensor Socket Set for Harley-Davidson

Zinc-plated steel.
Fits 12mm x 1.25 sensor plugs.
Required with non-O2 (oxygen) sensor equipped models that have an exhaust system installed with 12mm threaded sensor bungs.
It is used when O2 sensors are no longer needed.

Compatible with: > 09-20 HD with original 12mm sensor ports