Learning Center

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  Why Do NGK Plugs Have Two Numbers?

  Many spark plug brands, including NGK, have two different ID numbers assigned to spark plugs...

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  Does NGK Manufacture All Coils in One Country?

  As a global company, NGK does utilize numerous sources as they cannot manufacture 100% of the SKUs in house...

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  How Do I Find a Colder or Hotter Plug?

  Each spark plug has a unique heat range. How can you find a plug that is a hotter or colder heat range?...

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  Spark Plug Anatomy

  Not all spark plugs are created equal...

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  What is a Resistor Spark Plug?

  Resistor spark plugs prevent interference with electronic equipment...

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  Can I Use Platinum, Iridium or Ruthenium Plugs with Nitrous Injection?

  Iridium - yes. Platinum - no. Ruthenium - maybe...

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  NGK/NTK Announces Release of Technical Sensor Line

  NTK, an NGK Spark Plugs brand, has expanded its product family with the release of over 6500 SKUs in more than 80 product types.

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  What is a Spark Plugs Heat Range?

  The term heat range refers to the speed with which a plug can transfer heat from the combustion chamber to the engine head...

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  I Have a Modified Engine - Do I Need a Colder Spark Plug?

  Possibly...

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  What are Copper Core Spark Plugs?

  Almost all spark plugs use a copper cored center electrode to conduct the electricity, jump the gap, and promote heat dissipation...

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