I ripped them out when I put mopar wires on 4.5 years ago and haven't had them since, no problems. Easier to work on and looks better.
Spark Plug Heat Shield Removal
im just curious about any long term ill effects on removing those spark plug heat shields on a 3.9 v6. im going to be installing the napa premium wires and just afraid off cooking the boots, thats all. Is it worth removing these things?
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1 - 1 of 34 Posts
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