The part # on the set I received was 11-680. When I called Kingborne they said the blueprint length is the same for the 11-680 and the 18-724 but 11-680 was adjusted specifically for the NGK sparkplug (I'm guessing the iridiums since that's what I ordered). Something about fitting the NGK's better, or matching their height.
Dave
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2001 PT Cruiser LE 5 spd, no mods, needs suspension bushings, AC seems a bit weak and gets smelly really easily (yes, I\'ve treated it several times in the past)
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