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I recently replaced my original OEM Champion 570--RE14MCC4 with the same P/N plugs bought at Pep Boys and had stalling problems. The dealer found the coils to be bad and blamed the aftermarket plugs. I contacted Chrysler and they concurred. It makes no sense to me but I would recommend going to the dealer for the standard plug.

BCB

08 Hemi
 

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Used Denso Ikh16 plugs and they work wonderfully. Just an fyi. Kind of expensive but I probably won't change for 50-70k miles instead of 30.
 

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The standard copper plugs are the best. 2011 and above allow 100k mile Champions but plane old copper are what's recommended. Change'm at 36k to stay in spec.
 
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