Learning Center

• 

  How Often Should I Replace My Power Sport Plug?

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

  Learn More
• 

  Do Pulstar Plugs Come with a Warranty or Guarantee?

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

  Learn More
• 

  Manufacturer's Numbering Systems

  How do I interpret the manufacturer's numbering systems?

  Learn More
• 

  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?...

  Learn More
• 

  Spark Plug Anatomy

  Not all spark plugs are created equal...

  Learn More
• 

  What Countries Do You Ship To?

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

  Learn More
• 

  Heat Range Conversion Chart

  Heat Range Conversion Chart

  Learn More
• 

  What are TPMS Sensors?

  TPMS stands for Tire Pressure Monitoring System...

  Learn More
• 

  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...

  Learn More
• 

  What is a Resistor Spark Plug?

  Resistor spark plugs prevent interference with electronic equipment...

  Learn More