NGK Evo X / RA Spark Plugs

  • Sale
  • Regular price $ 46.50



One of the most commonly asked questions we get, "What spark plugs should I use?" Our answer is always the same, the OEM ILKR8E6, AKA NGK part number 1422.

  • OEM quality - the exact Mitsubishi OEM spark plugs for the Evo X
  • "8" heat range
  • Pre-gapped to factory specs
  • Set of 4 spark plugs
  • Great for stock builds, bolt-on builds, and even big turbo E85 builds
  • We've utilized these plugs successfully on many 750+ WHP E85 builds w/ no issues
  • Works on all years 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
  • Replace every 30,000 - 60,000 miles on modified Evo X's and Ralliarts

This is the recommended upgrade for all Ralliarts running boost higher than stock, as they are one step colder than the factory "7" heat range plugs.

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