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Get your T-25 torx wrench and come on in!

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 #182755  by tinman
 
What are the spark plug threads? NPT or machine screw or ?

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 #182759  by Bill Putney
 
Paul - I think they are standard metric straight threads. (ref.: http://buy1.snapon.com/catalog/item.asp ... ir=catalog, also http://www.napaonline.com/MasterPages/N ... &VehCode=N)

 #182760  by tinman
 
Bingo!

We tried a couple of things and just couldn't get it. Muchas Gracias, Guillermo. Much appreciated.