- B- Meaning it has a 14mm thread size and a 13/16" hex size
- 7- Position on heat range from 2-12 (2 hottest, 12 coldest)
- H- 12.7mm (1/2") thread reach.
- S- Standard 2.5 mm Center Electrode
This plug has a loose gasket, however it isn't removable from the plug.