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E3 Spark Plugs
E3 Spark Plugs
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  • Unique electrode shape maximizes the power created by the spark plug - Diamond Fire technology
  • Electrode is a combination of performance and technology that results in an improved flame kernel shape
  • This flame front ignites the bulk air/fuel mixture faster, moves heat into the combustion chamber faster and creates a more localized pressure front for faster pressure rise during the cylinder power stroke
  • The result is more complete combustion and an improvement in engine performance
  • A truly premium performance plug
  • Sold each
All Twin cam 1999-2017 (except 2017 Touring M8 engine)
All Sportster 1986-2017

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