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Spark Plugs for Forced Induction


NGK platinum spark plugs are a surface gap type plug used ideally for use in boosted rotary engines. The leading plugs are a colder heat range which reduces the chances of engine damaging detonation or "pinging".   These are aftermarket plugs.


  • 2 leading spark plugs
  • 2 trailing spark plugs with shims
  • Less prone to "foul out" in richer forced induction applications¬†

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