Spark Plugs 1999-2022 Twin Cam & 1986-2022 XL
- Plugs have a unique look with a black ceramic body and bold red logo/script
- Insulator is made of 95% pure alumina, features strong resistance to heat shock and superior insulation
- Multi-rib design of the insulator eliminates flashover
- Nickel-plated housing prevents oxidation and corrosion
- Multi-layer gaskets and heat crimping process ensure a leak-free, gas-tight seal
- Copper core electrode prevents oxidation and corrosion, has good electrical and heat conductivity and creates long spark plug service life
- Fitment:
- 2022 Harley-Davidson Nightster RH975
- 2018-2021 Harley-Davidson Iron 1200 XLNS
- 2018-2019 Harley-Davidson Forty-Eight Special XLXS
- 2016-2020 Harley-Davidson 1200 Roadster XLCX
- 2016-2017 Harley-Davidson Fat Boy S FLSTFBS
- 2016-2017 Harley-Davidson Softail Slim S FLSS
- 2016-2017 Harley-Davidson Low Rider S FXDLS
- 2015-2016 Harley-Davidson Freewheeler FLRT
- 2015-2016 Harley-Davidson Electra Glide Ultra Limited Low FLHTKL
- 2015-2016 Harley-Davidson Road Glide Special FLTRXS
- 2015-2016 Harley-Davidson Electra Glide Ultra Classic Low FLHTCUL
- 2014-2017 Harley-Davidson SuperLow 1200 XLT
- 2014-2016 Harley-Davidson Street Glide Special FLHXS
- 2013-2017 Harley-Davidson Breakout FXSB
- 2012-2017 Harley-Davidson Softail Slim FLS
- 2012-2016 Harley-Davidson Switchback FLD
- 2012-2016 Harley-Davidson Seventy-Two XLV
- 2011-2019 Harley-Davidson 883 SuperLow XLL
- 2011-2013, 2016 Harley-Davidson Road Glide Ultra FLTRU
- 2011-2013 Harley-Davidson Blackline FXS
- 2010-2022 Harley-Davidson Forty-Eight XLX
- 2010-2016 Harley-Davidson Fat Boy Lo FLSTFB
- 2010-2016 Harley-Davidson Electra Glide Ultra Limited FLHTK
- 2010-2013, 2015-2016 Harley-Davidson Road Glide Custom FLTRX
- 2010-2011 Harley-Davidson Street Glide Trike FLHXXX
- 2009-2022 Harley-Davidson Iron 883 XLN
- 2009-2016 Harley-Davidson Tri Glide Ultra Classic FLHTCUTG
- 2009-2012 Harley-Davidson Sportster 1200 XR
- 2009-2012 Harley-Davidson Sportster 1200 X XR
- 2008-2017 Harley-Davidson Fat Bob FXDF
- 2008-2011 Harley-Davidson Softail Cross Bones FLSTSB
- 2008-2011 Harley-Davidson Softail Rocker C FXCWC
- 2008-2009 Harley-Davidson Softail Rocker FXCW
- 2007-2016 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI
- 2007-2012 Harley-Davidson 1200 Nightster XLN
- 2007-2010 Harley-Davidson Softail Custom EFI FXSTC
- 2007-2009, 2015-2017 Harley-Davidson Low Rider EFI FXDL
- 2007-2009 Harley-Davidson 883 EFI XL
- 2007 Harley-Davidson Sportster 1200 XL 50
- 2006-2017 Harley-Davidson Street Bob FXDB
- 2006-2016 Harley-Davidson Street Glide EFI FLHX
- 2006-2011 Harley-Davidson 1200 Low EFI XLL
- 2006-2010 Harley-Davidson 883 Low EFI XLL
- 2006-2008 Harley-Davidson 1200 Roadster EFI XLR
- 2006 Harley-Davidson Super Glide FXD35
- 2006 Harley-Davidson Street Glide FLHX
- 2006 Harley-Davidson 1200 Low XLL
- 2006 Harley-Davidson Softail Heritage EFI FLSTI
- 2006 Harley-Davidson Softail Heritage FLST
- 2005-2017 Harley-Davidson Softail Deluxe EFI FLSTNI
- 2005-2014 Harley-Davidson Super Glide Custom EFI FXDCI
- 2005-2007 Harley-Davidson Softail Springer Classic EFI FLSTSCI
- 2005-2006 Harley-Davidson Softail Deluxe FLSTN
- 2005-2006 Harley-Davidson 883 Low XLL
- 2005-2006 Harley-Davidson Softail Springer Classic FLSTSC
- 2005 Harley-Davidson Super Glide Custom FXDC
- 2005 Harley-Davidson 15th Anniversary Fat Boy FLSTF
- 2004-2010 Harley-Davidson Super Glide EFI FXDI
- 2004-2008, 2010-2017 Harley-Davidson Wide Glide EFI FXDWGI
- 2004-2007 Harley-Davidson Road King Custom EFI FLHRS
- 2004-2006 Harley-Davidson 883 XL
- 2004-2006 Harley-Davidson Road King Custom FLHRS
- 2004-2006 Harley-Davidson 1200 Roadster XLR
- 2004-2005 Harley-Davidson Super Glide Sport EFI FXDXI
- 2003-2009 Harley-Davidson Electra Glide Standard EFI FLHTI
- 2002-2019 Harley-Davidson 1200 Custom EFI XLC
- 2002-2017 Harley-Davidson Softail Fat Boy EFI FLSTFI
- 2002-2003, 2011-2017 Harley-Davidson 1200 XLCP
- 2002-2003, 2005-2007 Harley-Davidson 883 Roadster XLR
- 2002-2003, 2005-2007 Harley-Davidson 883 Roadster EFI XLR
- 2001-2017 Harley-Davidson Softail Heritage Classic EFI FLSTCI
- 2001-2009 Harley-Davidson Softail Night Train EFI FXSTBI
- 2001-2007 Harley-Davidson Softail Deuce EFI FXSTDI
- 2001-2007 Harley-Davidson Softail Standard EFI FXSTI
- 2001-2006 Harley-Davidson Softail Springer EFI FXSTSI
- 2001-2003 Harley-Davidson Softail Heritage Springer EFI FLSTSI
- 2001-2003 Harley-Davidson Super Glide T-Sport FXDXT
- 2000-2006 Harley-Davidson Softail Deuce FXSTD
- 2000-2006 Harley-Davidson Softail Springer FXSTS
- 2000-2006 Harley-Davidson Softail Night Train FXSTB
- 2000-2006 Harley-Davidson Softail Standard FXST
- 2000-2006 Harley-Davidson Softail Heritage Classic FLSTC
- 2000-2006 Harley-Davidson Softail Fat Boy FLSTF
- 2000-2003 Harley-Davidson Softail Heritage Springer FLSTS
- 1999-2013 Harley-Davidson Electra Glide Classic EFI FLHTCI
- 1999-2009 Harley-Davidson Road Glide EFI FLTR
- 1999-2009 Harley-Davidson 883 Custom EFI XLC
- 1999-2006 Harley-Davidson Electra Glide Standard FLHT
- 1999-2006 Harley-Davidson Road King FLHR
- 1999-2006 Harley-Davidson Road King Classic EFI FLHRC
- 1999-2005 Harley-Davidson Super Glide Sport FXDX
- 1999-2005 Harley-Davidson Electra Glide Classic FLHTC
- 1999-2005 Harley-Davidson Wide Glide FXDWG
- 1999-2005 Harley-Davidson Low Rider FXDL
- 1999-2005 Harley-Davidson Super Glide FXD
- 1999-2002 Harley-Davidson Road Glide FLTR
- 1999-2001, 2007-2016 Harley-Davidson Road King EFI FLHR
- 1999-2000 Harley-Davidson Dyna Convertible FXDS-CONV
- 1999 Harley-Davidson Electra Glide Ultra Classic FLHTCU
- 1998-2006 Harley-Davidson 883 Custom XLC
- 1996-2006 Harley-Davidson 1200 Custom XLC
- 1996-2003 Harley-Davidson 1200 Sport XLS
- 1988-2003 Harley-Davidson Sportster 1200 XLH
- 1987-2003 Harley-Davidson 883 Hugger XLH
- 1986-2003 Harley-Davidson Sportster 883 XLH
- 1986-1995 Harley-Davidson 883 Deluxe XLH
- 1986-1988 Harley-Davidson Sportster 1100 XLH
