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Mrsparky

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  1.    Retired old Gearhead reacted to a post in a topic: Recommended Spark Plugs
  2. Mrsparky
    Eric, This is a GM world car. The plugs are NGK Iridium IFR7X7G They shouldn't need to be replaced for a good long time on a Gen3 Spark. https://www.ngk.com/learning-center/article/202/how-long-do-iridium-plugs-last
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