scottdarling
07-04-2007, 05:05 PM
what is the true stock sparkplug for a 2003 8.1 vortec
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View Full Version : stock spark plugs for vortec 8100 superddd 07-04-2007, 08:29 PM I'm almost sure they're made by AC Delco, but I'm not sure what style they are. |
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