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There is a newer one than that describes the updated tool for removing a snapped off porcelain and says to use a Ford branded chemical (carb cleaner maybe, can't remember exactly) instead of the Kano product.
Someone posted a link to it a few months ago, but I don't think it has made it to the database on this site yet.
Search for TSB 08-7-6 on the 'net, and you'll find a few hits that have links to the TSB.
The Autolite is a 2 piece plug simular to the Motorcraft. Denso has a new iridium plug (5326 or IT20), has anyone seen and/or used these?
I have not used the Denso plugs in my F-150 but I used them in a SVT Focus I owned. Dyno showed a 3 h.p increase with just the plugs and the engine idled better. I always would dyno the car after each mod so I would know what each part offered. If the Denso Iridium plug is a one piece for the F-150 then I would not hesitate to use them.