rippo Posted February 8, 2009 Share Posted February 8, 2009 As it says really, what thread does a J8c plug have? Thanks Quote Link to comment Share on other sites More sharing options...
Richard Farrant Posted February 8, 2009 Share Posted February 8, 2009 As it says really, what thread does a J8c plug have? Thanks 14mm and it is 3/8" reach Quote Link to comment Share on other sites More sharing options...
rippo Posted February 8, 2009 Author Share Posted February 8, 2009 Thanks richard. Quote Link to comment Share on other sites More sharing options...
Adrian Barrell Posted February 9, 2009 Share Posted February 9, 2009 M14 x 1.25 which is known as, not surprisingly, metric spark plug. Standard M14 coarse is 2mm pitch. Quote Link to comment Share on other sites More sharing options...
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