Learning Center

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  What is the Proper Gap Setting for My Vehicle?

  After completing an application search and selecting a spark plug, the “vehicle info” tab on the product detail page...

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  Should I Gap My Plugs?

  Yes. A spark plugs gap directly affects the tip temperature and the voltage necessary to fire the plug....

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  Proper Gapping Instructions

  Proper Gapping Instructions

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  Can Old Spark Plugs be Cleaned?

  Yes, you can clean spark plugs, however, in most cases it's not worth it...

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  Diagnosing a Cylinder Misfire

  Have you ever had your car suddenly start to sputter on acceleration?

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  Plug Torque Settings

  It is essential to tighten a spark plug to the specified turning angle or torque setting...

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  What Causes Engine Misfires?

  Do engine misfires indicate a bad spark plug?

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  Pulstar Installation

  Pulstar Pulse Plugs require special care during installation...

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