Best spark plugs for 300m (3.5L) ?

Discussion in 'Chrysler 300' started by MoPar Man, Sep 2, 2010.

  1. MoPar Man

    MoPar Man Guest

    What's a good spark plug these days for the 3.5L V6 in a '00 300m?
    MoPar Man, Sep 2, 2010
  2. MoPar Man

    bllsht Guest

    Champion RC12PEC5
    bllsht, Sep 5, 2010
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