More horsepower, more miles per gallon. All plug wires fire intermittently causing plugs to carbon up except for Thundervolts. As your bikes idles, the plugs are being cleaned. Ferrite spiral wound core with a blend of copper/nickel alloy is bonded by a conductive acrylic cover. Pro boots feature vibration proof double spring locking spark plug terminals.This item fits the following models: 2014 Harley Davidson FLS Softail Slim2006 Harley Davidson FLST Heritage Softail2000-2014 Harley Davidson FLSTC Heritage Softail Classic2001-2006 Harley Davidson FLSTCI Heritage Softail Classic2000-2014 Harley Davidson FLSTF Fat Boy2010-2014 Harley Davidson FLSTFB Fat Boy Lo2001-2006 Harley Davidson FLSTFI Fat Boy2006 Harley Davidson FLSTI Heritage Softail2005-2014 Harley Davidson FLSTN Softail Deluxe2005-2006 Harley Davidson FLSTNI Softail Deluxe2000-2003 Harley Davidson FLSTS Heritage Springer2008-2011 Harley Davidson FLSTSB Cross Bones2005-2007 Harley Davidson FLSTSC Softail Springer Classic2005-2006 Harley Davidson FLSTSCI Softail Springer Classic2001-2003 Harley Davidson FLSTSI Heritage Springer1999-2005 Harley Davidson FXD Dyna Super Glide2007-2010 Harley Davidson FXD Dyna Super Glide2007-2014 Harley Davidson FXDB Street Bob2006 Harley Davidson FXDBI Street Bob2005 Harley Davidson FXDC Super Glide Custom2007-2014 Harley Davidson FXDC Super Glide Custom2005-2006 Harley Davidson FXDCI Super Glide Custom2008-2014 Harley Davidson FXDF Fat Bob2004-2006 Harley Davidson FXDI Dyna Super Glide2006 Harley Davidson FXDI35 Dyna 35th Anniversary Super Glide1999-2005 Harley Davidson FXDL Dyna Low Rider2007-2009 Harley Davidson FXDL Dyna Low Rider2004-2006 Harley Davidson FXDLI Dyna Low Rider1999-2000 Harley Davidson FXDS-Conv Dyna Convertible1999-2005 Harley Davidson FXDWG Dyna Wide Glide2007-2008 Harley Davidson FXDWG Dyna Wide Glide2010-2014 Harley Davidson FXDWG Dyna Wide Glide2004 Harley Davidson FXDWGI Dyna Wide Glide

Product Features

  • More horsepower, more miles per gallon
  • All plug wires fire intermittently causing plugs to carbon up except for Thundervolts
  • As your bikes idles, the plugs are being cleaned
  • Ferrite spiral wound core with a blend of copper/nickel alloy is bonded by a conductive acrylic cover
  • Pro boots feature vibration proof double spring locking spark plug terminals

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