NGK is the leader in motorcycle spark plugs, with spark plugs for virtually every motorcycle. The Standard spark plug is considered the workhorse at the heart of smooth-running engines around the world.
- Triple-gasket sealing process
- Consistent performance
- Spark plug of choice in millions of motorcycles
- Specified by more motorcycle manufacturers than any other spark plug company
- sold each
Note
Fits Harley-Davidson Softail 18-later & Touring 17-later with Milwaukee-Eight engine & Street XG 15-20