O2 Port Bushing Adapters 18mm-12mm
- O2 sensor port bushings for newer models using the smaller 12mm oxygen sensors
- Adapts 18mm bungs to the newer and smaller 12mm size found on motorcycles
- 18X1.5 male to 12×1.25 female threads
- Zinc plated
- Sold as a pair
Made in the USA
Jonathan Hatt –
Did need them for my 2011 HD Forty Eight, but better safe than sorry.
Marc S. –
Fit perfectly