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some restrictions apply
  • Iridium electrode is smaller than a standard electrode; requires less voltage
  • Hotter spark and extended spark plug service life compared to conventional plugs
  • Has the distinctive black ceramic with red lettering and gold-colored corrosion-protected coating on the metal shell
  • Exceed OEM specifications for plug service life

 
This item fits the following models:
 
Harley Davidson FLHR Road King 1999 - 2006
Harley Davidson FLHRC Road King Classic EFI 1999 - 2006
Harley Davidson FLHRS Road King Custom 2004 - 2006
Harley Davidson FLHRS Road King Custom EFI 2004 - 2006
Harley Davidson FLHT Electra Glide Standard 1999 - 2006
Harley Davidson FLHTC Electra Glide Classic 1999 - 2005
Harley Davidson FLHTCI Electra Glide Classic EFI 1999 - 2006
Harley Davidson FLHTCU Electra Glide Ultra Classic 1999
Harley Davidson FLHTCUI Electra Glide Ultra Classic EFI 1999 - 2006
Harley Davidson FLHTCUTG Tri Glide Ultra Classic 2009 - 2016
Harley Davidson FLHTI Electra Glide Standard EFI 2003 - 2006
Harley Davidson FLHTK Electra Glide Ultra Limited 2010 - 2016
Harley Davidson FLHX Street Glide 2006
Harley Davidson FLHXXX Street Glide Trike 2010 - 2011
Harley Davidson FLRT Freewheeler 2015 - 2016
Harley Davidson FLSS Softail Slim S 2016 - 2017
Harley Davidson FLSTF Softail Fat Boy 2000 - 2006
Harley Davidson FLSTFB Softail Fat Boy Lo 2010 - 2016
Harley Davidson FLSTI Heritage Softail EFI 2006
Harley Davidson FLSTN Softail Deluxe 2005 - 2006
Harley Davidson FLSTS Heritage Springer 2000 - 2003
Harley Davidson FLSTSC Softail Springer Classic 2005 - 2006
Harley Davidson FLSTSCI Softail Springer Classic EFI 2005 - 2006
Harley Davidson FLTR Road Glide 1999 - 2002
Harley Davidson FLTRU Road Glide Ultra 2011 - 2016
Harley Davidson FLTRX Road Glide Custom 2010 - 2016
Harley Davidson FXCW Softail Rocker 2008 - 2009
Harley Davidson FXCWC Softail Rocker C 2008 - 2011
Harley Davidson FXD Super Glide 1999 - 2005
Harley Davidson FXDC Dyna Glide Custom 2005
Harley Davidson FXDCI Super Glide Custom EFI 2005 - 2006
Harley Davidson FXDF Fat Bob 2009 - 2017
Harley Davidson FXDI Super Glide EFI 2004 - 2006
Harley Davidson FXDL Low Rider 1999 - 2017
Harley Davidson FXDS-CONV Low Rider Convertible 1999 - 2000
Harley Davidson FXDWG Wide Glide 1999 - 2005
Harley Davidson FXDX Super Glide Sport 1999 - 2005
Harley Davidson FXDXI Super Glide Sport EFI 2004 - 2005
Harley Davidson FXDXT Dyna Super Glide T-Sport 2001 - 2003
Harley Davidson FXS Blackline 2011 - 2013
Harley Davidson FXST Softail Standard 2000 - 2006
Harley Davidson FXSTB Softail Night Train 2000 - 2006
Harley Davidson FXSTBI Softail Night Train EFI 2001 - 2006
Harley Davidson FXSTI Softail Standard EFI 2001 - 2006
Harley Davidson FXSTS Softail Springer 2000 - 2006
Harley Davidson FXSTSI Softail Springer EFI 2001 - 2006
Harley Davidson XLH Sportster 1100 1986 - 1987
Harley Davidson XLH Sportster 1200 1988 - 2003
Harley Davidson XLH Sportster 883 1986 - 2003
Harley Davidson XLNS Sportster 1200 Iron 2018
Harley Davidson XR Sportster 1200 2009 - 2010
Harley Davidson XR Sportster 1200 X 2011 - 2012