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some restrictions apply
  • Simply drill and tap (10 mm x 1.0 mm) each cylinder head and thread in the self-sealing release valves
  • Give your starter a hand by installing these in your high-compression, big-inch motor
  • Made in the U.S.A.

 
This item fits the following models:
 
Harley Davidson F 1941 - 1950
Harley Davidson FL Hydra Glide 1941 - 1964
Harley Davidson FLH Electra Glide Heritage 1970 - 1985
Harley Davidson FLHC Electra Glide Classic 1979 - 1981
Harley Davidson FLHFB Electra Glide Super Sport 1965
Harley Davidson FLHR Road King 1994 - 2006
Harley Davidson FLHR Road King EFI 1996 - 2012
Harley Davidson FLHRC Road King Classic 2008
Harley Davidson FLHRC Road King Classic EFI 1998 - 1999
Harley Davidson FLHRS Road King Custom 2004
Harley Davidson FLHRS Road King Custom EFI 2004
Harley Davidson FLHS Electra Glide Sport 1980 - 1993
Harley Davidson FLHT Electra Glide Standard 1986 - 2004
Harley Davidson FLHTC Electra Glide Classic 1979 - 2012
Harley Davidson FLHTCI Electra Glide Classic EFI 1996 - 2006
Harley Davidson FLHTCU Electra Glide Ultra Classic 1989 - 2015
Harley Davidson FLHTCUI Electra Glide Ultra Classic EFI 1995 - 1998
Harley Davidson FLHTCUTG Tri Glide Ultra Classic 2013
Harley Davidson FLHTI Electra Glide Standard EFI 2003 - 2004
Harley Davidson FLHX Electra Glide Special 1984 - 1985
Harley Davidson FLST Heritage Softail 1986 - 1990
Harley Davidson FLSTC Softail Heritage Classic 1988 - 2016
Harley Davidson FLSTCI Softail Heritage Classic EFI 2001 - 2004
Harley Davidson FLSTF Softail Fat Boy 1990 - 2004
Harley Davidson FLSTFI Softail Fat Boy EFI 2001 - 2004
Harley Davidson FLSTN Heritage Softail Nostalgia 1993
Harley Davidson FLSTN Heritage Softail Special 1994 - 1996
Harley Davidson FLSTN Softail Deluxe 2007 - 2017
Harley Davidson FLSTNI Softail Deluxe EFI 2005
Harley Davidson FLSTS Heritage Springer 1997 - 2003
Harley Davidson FLSTSI Heritage Springer EFI 2001 - 2003
Harley Davidson FLT Tour Glide 1980 - 1983
Harley Davidson FLTC Tour Glide Classic 1984 - 1989
Harley Davidson FLTCU Tour Glide Ultra Classic 1989 - 1995
Harley Davidson FLTCU Tour Glide Ultra Classic EFI 1996
Harley Davidson FLTR Road Glide 1999 - 2002
Harley Davidson FLTR Road Glide EFI 1998 - 2006
Harley Davidson FLTRU Road Glide Ultra 2011
Harley Davidson FX 1200 Super Glide 1971 - 1975
Harley Davidson FXB Sturgis 1980 - 1982
Harley Davidson FXD Super Glide 1975 - 2010
Harley Davidson FXDB Street Bob 2011 - 2017
Harley Davidson FXDC Dyna Glide Custom 1992
Harley Davidson FXDC Super Glide Custom 2005 - 2014
Harley Davidson FXDCI Super Glide Custom EFI 2005
Harley Davidson FXDF Fat Bob 2008
Harley Davidson FXDG Disc Glide 1983
Harley Davidson FXDI Super Glide EFI 2004
Harley Davidson FXDL Low Rider 1977 - 2015
Harley Davidson FXDL Low Rider EFI 2004
Harley Davidson FXDS-CONV Low Rider Convertible 1994 - 2000
Harley Davidson FXDWG Wide Glide 1993 - 2016
Harley Davidson FXDWGI Wide Glide EFI 2004
Harley Davidson FXDX Super Glide Sport 1999 - 2004
Harley Davidson FXDXI Super Glide Sport EFI 2004
Harley Davidson FXDXT Dyna Super Glide T-Sport 2001 - 2003
Harley Davidson FXE 1200 Super Glide 1974 - 1977
Harley Davidson FXEF Fat Bob 1980 - 1985
Harley Davidson FXLR Softail Low Rider Custom 1990 - 1994
Harley Davidson FXR Super Glide 1982 - 1994
Harley Davidson FXR2 1999
Harley Davidson FXR3 1999
Harley Davidson FXR4 2000
Harley Davidson FXRC Low Rider Chrome 1985 - 1987
Harley Davidson FXRD Sport Glide Grand Touring 1986
Harley Davidson FXRDG Disc Glide 1984
Harley Davidson FXRS Low Glide 1982 - 1985
Harley Davidson FXRS-CONV Low Rider Convertible 1990 - 1993
Harley Davidson FXRS-SP Low Rider Sport 1990 - 1993
Harley Davidson FXRT Sport Glide 1983 - 1992
Harley Davidson FXS Low Rider 1977 - 1978
Harley Davidson FXSB Low Rider 1983 - 1985
Harley Davidson FXST Softail Standard 1984 - 2005
Harley Davidson FXSTB Softail Night Train 2000 - 2004
Harley Davidson FXSTBI Softail Night Train EFI 2001 - 2004
Harley Davidson FXSTC Softail Custom 1986 - 2008
Harley Davidson FXSTD Softail Deuce 2005
Harley Davidson FXSTDI Softail Deuce EFI 2001 - 2005
Harley Davidson FXSTI Softail Standard EFI 2001 - 2004
Harley Davidson FXSTS Softail Springer 1988 - 2004
Harley Davidson FXSTSB Softail Bad Boy 1995 - 1997
Harley Davidson FXSTSI Softail Springer EFI 2001 - 2004
Harley Davidson FXWG Wide Glide 1980 - 1986
Harley Davidson XL Sportster 883 2004
Harley Davidson XLC Sportster 1200 Custom EFI 1996 - 2004
Harley Davidson XLC Sportster 883 Custom 1999 - 2004
Harley Davidson XLCH Sportster 900 1958 - 1971
Harley Davidson XLCR Sportster 1000 Cafe Racer 1977 - 1978
Harley Davidson XLH Sportster 1000 1972 - 1985
Harley Davidson XLH Sportster 1100 1986 - 1987
Harley Davidson XLH Sportster 1200 1988 - 2003
Harley Davidson XLH Sportster 883 1986 - 2003
Harley Davidson XLH Sportster 883 Deluxe 1986 - 1995
Harley Davidson XLH Sportster 883 Hugger 1987 - 2003
Harley Davidson XLH Sportster 900 1967 - 1971
Harley Davidson XLL Sportster 1200 Low 2010
Harley Davidson XLL Sportster 883 SuperLow 2006 - 2010
Harley Davidson XLN Sportster 1200 Nightster 2011
Harley Davidson XLN Sportster 883 Iron 2012
Harley Davidson XLR Sportster 1200 Roadster 2004
Harley Davidson XLR Sportster 883 Roadster 2002 - 2007
Harley Davidson XLS Sportster 1000 Roadster 1979 - 1985
Harley Davidson XLS Sportster 1200 Sport 1996 - 2003
Harley Davidson XLT Sportster 1000 1977 - 1978
Harley Davidson XLX Sportster 1000 1983 - 1985
Harley Davidson XLX Sportster 1200 Forty-Eight 2015 - 2020