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Dec 2, 2016 #2 Tinkerer Well-Known Member Joined Oct 8, 2010 Messages 895 Reaction score 427 IS that a head bolt washer or a washer off a head or main stud?
Dec 2, 2016 #3 fmo24 Well-Known Member Joined Nov 14, 2008 Messages 6,280 Reaction score 4,373 I think it's from a spark plug. He had another thread about it