Difference between revisions of "NGK D7EA"
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Latest revision as of 12:17, 9 March 2007
- D- Meaning it has a 12mm thread size and a 18mm hex size
- 7- Position on heat range from 2-12 (2 hottest, 12 coldest)
- E- 19mm (3/4") thread reach.
- A- Special Design