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  1. #1

    2018 310 r spark plugs

    I asked my buddy the other day if there was ahigh performace plug to run other than stock oem he didnt know of any what about iridium plugs? what is the code if so?

  2. #2
    CR9EKB is all you need unless you want to run the stock ones.

  3. #3
    prasino thereo's Avatar
    Join Date
    Apr 2008
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    Melbourne, Australia
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    53
    try these... been using them for years on my ultra 250x!

    https://www.densoproducts.com/denso-...wer-spark-plug


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