powerboatr Posted June 20, 2021 Share Posted June 20, 2021 we have 72k miles on the 3.5 called around to get prices to change the plugs...300 to 600 is the range??? wtf i know the intake plenum has to be removed, but it does not look that difficult thanks Quote Link to comment Share on other sites More sharing options...
rethorn Posted September 3, 2021 Share Posted September 3, 2021 To lower the cost, you can order the OEM plugs online and let an independent shop do the install. 1 Quote Link to comment Share on other sites More sharing options...
twintornados Posted September 3, 2021 Share Posted September 3, 2021 4 hours ago, rethorn said: To lower the cost, you can order the OEM plugs online and let an independent shop do the install. The cost is in the labor required to get to the plugs...not the plugs themselves. Quote Link to comment Share on other sites More sharing options...
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