Description

Mainshaft Locknut Socket

• Inner collar will retain wrench to nut for safer work
• Remove hex nut from end of main drive gear that secures the rear drive transmission pulley
• Extra-long two-piece design
• Made in the U.S.A.

Fitment Guide

36-06 Big Twin (except 06 Dyna) fits:

1965 – 1980 Harley-Davidson 1200 Electra Glide FLH
1979 – 1980 Harley-Davidson 1200 Fat Bob FXEF
1977 – 1979 Harley-Davidson 1200 Low Rider FXS
1971 – 1978 Harley-Davidson 1200 Super Glide FX
1974 – 1980 Harley-Davidson 1200 Super Glide FXE
2005 Harley-Davidson 15th Anniversary Fat Boy FLSTF
1983 Harley-Davidson Disc Glide FXDG
1958 – 1964 Harley-Davidson Duo Glide FL
1958 – 1964 Harley-Davidson Duo Glide FLH
1995 – 2000 Harley-Davidson Dyna Convertible FXDS-CONV
1992 Harley-Davidson Dyna Daytona FXDB
1992 Harley-Davidson Dyna Glide Custom FXDC
1995 – 2006 Harley-Davidson Electra Glide Classic EFI FLHTCI
1981 – 1982 Harley-Davidson Electra Glide Classic FLH
1983 – 2005 Harley-Davidson Electra Glide Classic FLHTC
1965 – 1980 Harley-Davidson Electra Glide FL
1978 – 1984 Harley-Davidson Electra Glide FLH
1981 Harley-Davidson Electra Glide Heritage FLH
1984 Harley-Davidson Electra Glide Special FLHX
1980 – 1982 Harley-Davidson Electra Glide Sport FLHS
1987 – 1993 Harley-Davidson Electra Glide Sport FLHS
2003 – 2006 Harley-Davidson Electra Glide Standard EFI FLHTI
1983 Harley-Davidson Electra Glide Standard FLHT
1985 – 1987 Harley-Davidson Electra Glide Standard FLHT
1995 – 2006 Harley-Davidson Electra Glide Standard FLHT
1995 – 2006 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI
1989 – 1999 Harley-Davidson Electra Glide Ultra Classic FLHTCU
1979 – 1981 Harley-Davidson Fat Bob FXEF
1985 Harley-Davidson Fat Bob FXEF
1948 Harley-Davidson FL
1999 Harley-Davidson FXR 2
1999 Harley-Davidson FXR 3
2000 Harley-Davidson FXR 4
1949 – 1957 Harley-Davidson Hydra Glide EL
1949 – 1951 Harley-Davidson Hydra Glide FL
1953 – 1957 Harley-Davidson Hydra Glide FL
1936 – 1947 Harley-Davidson Knucklehead EL
1941 – 1947 Harley-Davidson Knucklehead FL
1985 Harley-Davidson Low Glide Custom FXRC
1985 Harley-Davidson Low Glide FXRS
1987 Harley-Davidson Low Rider Chrome FXRC
1990 – 1993 Harley-Davidson Low Rider Convertible FXRS-CONV
1987 – 1994 Harley-Davidson Low Rider Custom FXLR
2004 – 2005 Harley-Davidson Low Rider EFI FXDL
1993 – 2005 Harley-Davidson Low Rider FXDL
1986 – 1993 Harley-Davidson Low Rider FXRS
1979 – 1982 Harley-Davidson Low Rider FXS
1983 – 1985 Harley-Davidson Low Rider FXSB
1988 – 1993 Harley-Davidson Low Rider Sport FXRS-SP
1998 – 2006 Harley-Davidson Road Glide EFI FLTR
1998 – 2002 Harley-Davidson Road Glide FLTR
1998 – 2006 Harley-Davidson Road King Classic EFI FLHRC
2004 – 2007 Harley-Davidson Road King Custom EFI FLHRS
2004 – 2006 Harley-Davidson Road King Custom FLHRS
1996 – 2006 Harley-Davidson Road King EFI FLHR
1994 – 2006 Harley-Davidson Road King FLHR
1995 – 1997 Harley-Davidson Softail Bad Boy FXSTSB
1986 – 1999 Harley-Davidson Softail Custom FXSTC
2005 – 2006 Harley-Davidson Softail Deluxe EFI FLSTNI
2005 – 2006 Harley-Davidson Softail Deluxe FLSTN
2001 – 2006 Harley-Davidson Softail Deuce EFI FXSTDI
2000 – 2006 Harley-Davidson Softail Deuce FXSTD
2002 – 2006 Harley-Davidson Softail Fat Boy EFI FLSTFI
1990 – 2006 Harley-Davidson Softail Fat Boy FLSTF
2001 – 2006 Harley-Davidson Softail Heritage Classic EFI FLSTCI
1987 – 2006 Harley-Davidson Softail Heritage Classic FLSTC
2006 Harley-Davidson Softail Heritage EFI FLSTI
1986 – 1990 Harley-Davidson Softail Heritage FLST
2006 Harley-Davidson Softail Heritage FLST
1994 – 1996 Harley-Davidson Softail Heritage Special FLSTN
2001 – 2003 Harley-Davidson Softail Heritage Springer EFI FLSTSI
1997 – 2003 Harley-Davidson Softail Heritage Springer FLSTS
2001 – 2006 Harley-Davidson Softail Night Train EFI FXSTBI
1999 – 2006 Harley-Davidson Softail Night Train FXSTB
1993 Harley-Davidson Softail Nostalgia FLSTN
2005 – 2006 Harley-Davidson Softail Springer Classic EFI FLSTSCI
2005 – 2006 Harley-Davidson Softail Springer Classic FLSTSC
2001 – 2006 Harley-Davidson Softail Springer EFI FXSTSI
1988 – 2006 Harley-Davidson Softail Springer FXSTS
2001 – 2006 Harley-Davidson Softail Standard EFI FXSTI
1985 – 1993 Harley-Davidson Softail Standard FXST
1983 – 1993 Harley-Davidson Sport Glide FXRT
1986 Harley-Davidson Sport Glide Grand Touring FXRD
2006 Harley-Davidson Street Glide EFI FLHX
2006 Harley-Davidson Street Glide FLHX
1980 – 1981 Harley-Davidson Sturgis FXB
1979 – 1984 Harley-Davidson Super Glide 80 FXE
2005 Harley-Davidson Super Glide Custom EFI FXDCI
2005 Harley-Davidson Super Glide Custom FXDC
2004 – 2005 Harley-Davidson Super Glide EFI FXDI
1995 – 2005 Harley-Davidson Super Glide FXD
2006 Harley-Davidson Super Glide FXD35
1986 – 1994 Harley-Davidson Super Glide FXR
1982 – 1983 Harley-Davidson Super Glide II FXRS
2004 – 2005 Harley-Davidson Super Glide Sport EFI FXDXI
1999 – 2005 Harley-Davidson Super Glide Sport FXDX
2001 – 2003 Harley-Davidson Super Glide T-Sport FXDXT
1980 – 1994 Harley-Davidson Tour Glide Classic FLTC
1980 – 1983 Harley-Davidson Tour Glide FLT
1996 Harley-Davidson Tour Glide Ultra Classic EFI FLTCU
1989 – 1996 Harley-Davidson Tour Glide Ultra Classic FLTCU
2004 – 2005 Harley-Davidson Wide Glide EFI FXDWGI
1993 – 2005 Harley-Davidson Wide Glide FXDWG
1980 – 1986 Harley-Davidson Wide Glide FXWG

06 Dyna and all 07-20 Big Twin fits:

2017 – 2020 Harley Davidson M8 Softail and Bagger

2011 – 2013 Harley-Davidson Blackline FXS
2013 – 2017 Harley-Davidson Breakout FXSB
2007 – 2013 Harley-Davidson Electra Glide Classic EFI FLHTCI
2007 – 2009 Harley-Davidson Electra Glide Standard EFI FLHTI
2007 – 2017 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI
2015 – 2016 Harley-Davidson Electra Glide Ultra Classic Low FLHTCUL
2010 – 2017 Harley-Davidson Electra Glide Ultra Limited FLHTK
2015 – 2017 Harley-Davidson Electra Glide Ultra Limited Low FLHTKL
2008 – 2017 Harley-Davidson Fat Bob FXDF
2010 – 2016 Harley-Davidson Fat Boy Lo FLSTFB
2016 – 2017 Harley-Davidson Fat Boy S FLSTFBS
2015 – 2017 Harley-Davidson Freewheeler FLRT
2007 – 2009 Harley-Davidson Low Rider EFI FXDL
2014 – 2017 Harley-Davidson Low Rider EFI FXDL
2016 – 2017 Harley-Davidson Low Rider S FXDLS
2007 – 2009 Harley-Davidson Road Glide EFI FLTR
2010 – 2013 Harley-Davidson Road Glide Custom FLTRX
2015 – 2017 Harley-Davidson Road Glide Custom FLTRX
2015 – 2017 Harley-Davidson Road Glide Special FLTRXS
2011 – 2013 Harley-Davidson Road Glide Ultra FLTRU
2016 – 2017 Harley-Davidson Road Glide Ultra FLTRU
2007 – 2013 Harley-Davidson Road King Classic EFI FLHRC
2007 Harley-Davidson Road King Custom EFI FLHRS
2007 – 2017 Harley-Davidson Road King EFI FLHR
2008 – 2011 Harley-Davidson Softail Cross Bones FLSTSB
2007 – 2010 Harley-Davidson Softail Custom EFI FXSTC
2007 – 2017 Harley-Davidson Softail Deluxe EFI FLSTNI
2007 Harley-Davidson Softail Deuce EFI FXSTDI
2007 – 2017 Harley-Davidson Softail Fat Boy EFI FLSTFI
2007 – 2017 Harley-Davidson Softail Heritage Classic EFI FLSTCI
2007 – 2009 Harley-Davidson Softail Night Train EFI FXSTBI
2008 – 2011 Harley-Davidson Softail Rocker C FXCWC
2008 – 2009 Harley-Davidson Softail Rocker FXCW
2012 – 2017 Harley-Davidson Softail Slim FLS
2016 – 2017 Harley-Davidson Softail Slim S FLSS
2007 Harley-Davidson Softail Springer Classic EFI FLSTSCI
2007 Harley-Davidson Softail Standard EFI FXSTI
2006 – 2017 Harley-Davidson Street Bob FXDB
2007 – 2017 Harley-Davidson Street Glide EFI FLHX
2014 – 2017 Harley-Davidson Street Glide Special FLHXS
2010 – 2011 Harley-Davidson Street Glide Trike FLHXXX
2006 – 2014 Harley-Davidson Super Glide Custom EFI FXDCI
2006 – 2010 Harley-Davidson Super Glide EFI FXDI
2012 – 2016 Harley-Davidson Switchback FLD
2009 – 2017 Harley-Davidson Tri Glide Ultra Classic FLHTCUTG
2006 – 2008 Harley-Davidson Wide Glide EFI FXDWGI
2010 – 2017 Harley-Davidson Wide Glide EFI FXDWGI