E3 Performance Spark Plugs Fits Shovelhead Models 1975-1984 & Big Twin Evolution 1984-1999

$12.99 $9.00

  • Developed by researchers from leading engineering universities, E3’s patented Edge-to-Edge electrode design delivers maximum performance with increased efficiency
  • More power and reduced emissions
  • Improved fuel economy and longer engine life
  • Sold Each

Fits Shovelhead models 1975/1984 & Big Twin Evolution 1984/1999
Replaces HD# 5R6A


E3 Spark Plug

E3 Spark Plug


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