Learning Center

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  Why Do Some Bosch Oxygen Sensor Threads Appear "Burnt"?

  To ensure quality, Bosch factory tests each oxygen sensor in simulated exhaust gas...

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  How Often Should I Replace My Power Sport Plug?

  Spark plug life will vary in power sport engines...

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  Do Pulstar Plugs Come with a Warranty or Guarantee?

  Enerpulse offers a 4-point Original Owner Lifetime Warranty...

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  Manufacturer's Numbering Systems

  How do I interpret the manufacturer's numbering systems?

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  How Do I Find a Colder or Hotter Plug?

  Each Manufacturer has Assigned a Unique Heat Range to Each Plug. 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 Countries Do You Ship To?

  The SparkPlugs.com Family ships internationally. However...

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  Heat Range Conversion Chart

  Heat Range Conversion Chart

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  What are TPMS Sensors?

  TPMS stands for Tire Pressure Monitoring System...

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  What is an Inductive Resistor?

  In an inductive resistor design, a coiled nickel wire is inserted into the stem and held in place by a spring...

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