Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - '93 Chevy 350CI spark plug depth
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Old 07-06-2012, 05:58 PM
Vortec Vortec is offline
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Hmmm...
Summitracing says these are (among) the right plugs... doublechecked fitment, etc.

Weird... how could they be so wrong (bought from them for years)??
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