Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#7
09-22-2008, 05:57 PM
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Re: NGK Spark Plugs
The 5/8" hex won't matter...in fact, it makes them easier to get a socket on...seems I had 'em listed as 13/16" hex, instead of the correct 5/8", but I fixed it: click
The hotter plug may indeed be better... 
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