When re-installing the plugs, a couple wraps of regular teflon tape will work just fine, then snug the plug. The sealer used by Ford on these just makes installation easier on the assembly line.
2015 F-150 Lariat Supercrew (Special Ordered)
2004 Freestar Limited 4.2 V6 w/Water Injection & Iridium plugs
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2007 Focus SE
1979 Gilson 32" 10HP Snowblower
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AMSOIL Lubricants and Filters in everything
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