Skip to content
Harley JD Top Cylinder Plug Nuts and Washers.
Fits all Harley Model J's and F's from 1909 - 1929
- 1/2-18 thread.
- Includes 2 nuts (24-09) and 2 washers (34-17).
- Nickel Plated
Made by Competition Distributing with US steel in the USA.
These are included with all of our Cylinder Plugs Part Numbers: 10A9, 17-13, `7-20, 18-10, 18-11, 18-20, 18-21, 18-25
***Cylinder Plug in pictures is for reference. It is NOT Included.
- Choosing a selection results in a full page refresh.
- Press the space key then arrow keys to make a selection.
- Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device