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Over 160K Powersport Items - In-Stock and ready to ship today! View tires, apparel, helmets, exhaust and more!
  • Cometic
  • Top End Gasket Set for Big Twin - C9959
Cometic Top End Gasket Set for Big Twin - C9959
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Cometic Top End Gasket Set for Big Twin - C9959

  • Part #:
    263421
  • Manufacturer Part #:
    C9959

MSRP Price: $105.95

Our Price: $86.88

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Overview of Cometic Top End Gasket Set for Big Twin - C9959

  • High-quality gaskets ensure long-term reliability
  • Gasket sets feature Extreme Sealing Technology (EST) including embossed stainless steel head, base and rocker gaskets covered with a proprietary rubber material
  • Head gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to eliminate hot spots which could lead to gasket failure
  • Sets contain all the necessary gaskets, seals and O-rings to rebuild the top end from the cylinder base up


    • NOTE: For Evolution Big Twin 84-99 with Axtell cylinder-style head and base, 4.00 in bore

Specs for Cometic Top End Gasket Set for Big Twin - C9959

Type Top End Gasket
Type Top End Gasket Kit
Units Set
Weight 0.81 lbs

Specs for Cometic Top End Gasket Set for Big Twin - C9959

Type Top End Gasket
Type Top End Gasket Kit
Units Set
Weight 0.81 lbs

Fitment for Cometic Top End Gasket Set for Big Twin - C9959

See if this part fits your ride

Part 263421 fits the following machines

Harley-Davidson
  • 1984 Harley-Davidson Disc Glide - FXRDG
  • 1998 Harley-Davidson Dyna Convertible - FXDS-CONV
  • 1997 Harley-Davidson Dyna Convertible - FXDS-CONV
  • 1996 Harley-Davidson Dyna Convertible - FXDS-CONV
  • 1995 Harley-Davidson Dyna Convertible - FXDS-CONV
  • 1992 Harley-Davidson Dyna Daytona - FXDB
  • 1992 Harley-Davidson Dyna Glide Custom - FXDC
  • 1998 Harley-Davidson Dyna Low Rider - FXDL
  • 1997 Harley-Davidson Dyna Low Rider - FXDL
  • 1996 Harley-Davidson Dyna Low Rider - FXDL
  • 1995 Harley-Davidson Dyna Low Rider - FXDL
  • 1994 Harley-Davidson Dyna Low Rider - FXDL
  • 1993 Harley-Davidson Dyna Low Rider - FXDL
  • 1994 Harley-Davidson Dyna Low Rider Convertible - FXDS-CONV
  • 1998 Harley-Davidson Dyna Super Glide - FXD
  • 1997 Harley-Davidson Dyna Super Glide - FXD
  • 1996 Harley-Davidson Dyna Super Glide - FXD
  • 1995 Harley-Davidson Dyna Super Glide - FXD
  • 1998 Harley-Davidson Dyna Wide Glide - FXDWG
  • 1997 Harley-Davidson Dyna Wide Glide - FXDWG
  • 1996 Harley-Davidson Dyna Wide Glide - FXDWG
  • 1995 Harley-Davidson Dyna Wide Glide - FXDWG
  • 1994 Harley-Davidson Dyna Wide Glide - FXDWG
  • 1993 Harley-Davidson Dyna Wide Glide - FXDWG
  • 1987 Harley-Davidson Electra Glide - FLHT
  • 1986 Harley-Davidson Electra Glide - FLHT
  • 1985 Harley-Davidson Electra Glide - FLHT
  • 1998 Harley-Davidson Electra Glide Classic - FLHTC
  • 1997 Harley-Davidson Electra Glide Classic - FLHTC
  • 1996 Harley-Davidson Electra Glide Classic - FLHTC
  • 1995 Harley-Davidson Electra Glide Classic - FLHTC
  • 1994 Harley-Davidson Electra Glide Classic - FLHTC
  • 1998 Harley-Davidson Electra Glide Classic Injected - FLHTC I
  • 1997 Harley-Davidson Electra Glide Classic Injected - FLHTC I
  • 1996 Harley-Davidson Electra Glide Classic Injected - FLHTC I
  • 1993 Harley-Davidson Electra Glide Sport - FLHS
  • 1992 Harley-Davidson Electra Glide Sport - FLHS
  • 1991 Harley-Davidson Electra Glide Sport - FLHS
  • 1990 Harley-Davidson Electra Glide Sport - FLHS
  • 1989 Harley-Davidson Electra Glide Sport - FLHS
  • 1988 Harley-Davidson Electra Glide Sport - FLHS
  • 1987 Harley-Davidson Electra Glide Sport - FLHS
  • 1998 Harley-Davidson Electra Glide Standard - FLHT
  • 1997 Harley-Davidson Electra Glide Standard - FLHT
  • 1996 Harley-Davidson Electra Glide Standard - FLHT
  • 1995 Harley-Davidson Electra Glide Standard - FLHT
  • 1998 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1997 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1996 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1995 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1994 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1993 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1992 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1991 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1990 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1989 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1998 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I
  • 1997 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I
  • 1996 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I
  • 1995 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I
  • 1999 Harley-Davidson FXR 2
  • 1999 Harley-Davidson FXR 3
  • 2000 Harley-Davidson FXR 4
  • 1990 Harley-Davidson Heritage Softail - FLST
  • 1989 Harley-Davidson Heritage Softail - FLST
  • 1988 Harley-Davidson Heritage Softail - FLST
  • 1987 Harley-Davidson Heritage Softail - FLST
  • 1986 Harley-Davidson Heritage Softail - FLST
  • 1999 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1998 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1997 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1996 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1995 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1994 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1993 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1992 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1991 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1990 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1989 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1988 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1987 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1993 Harley-Davidson Heritage Softail Nostalgia - FLSTN
  • 1996 Harley-Davidson Heritage Softail Special - FLSTN
  • 1995 Harley-Davidson Heritage Softail Special - FLSTN
  • 1994 Harley-Davidson Heritage Softail Special - FLSTN
  • 1999 Harley-Davidson Heritage Softail Springer - FLSTS
  • 1998 Harley-Davidson Heritage Softail Springer - FLSTS
  • 1997 Harley-Davidson Heritage Softail Springer - FLSTS
  • 1985 Harley-Davidson Low Glide - FXRS
  • 1984 Harley-Davidson Low Glide - FXRS
  • 1985 Harley-Davidson Low Glide Custom - FXRC
  • 1993 Harley-Davidson Low Rider - FXRS
  • 1992 Harley-Davidson Low Rider - FXRS
  • 1991 Harley-Davidson Low Rider - FXRS
  • 1990 Harley-Davidson Low Rider - FXRS
  • 1989 Harley-Davidson Low Rider - FXRS
  • 1988 Harley-Davidson Low Rider - FXRS
  • 1987 Harley-Davidson Low Rider - FXRS
  • 1986 Harley-Davidson Low Rider - FXRS
  • 1985 Harley-Davidson Low Rider - FXSB
  • 1987 Harley-Davidson Low Rider Chrome - FXRC
  • 1993 Harley-Davidson Low Rider Convertible - FXRS-CONV
  • 1992 Harley-Davidson Low Rider Convertible - FXRS-CONV
  • 1991 Harley-Davidson Low Rider Convertible - FXRS-CONV
  • 1990 Harley-Davidson Low Rider Convertible - FXRS-CONV
  • 1994 Harley-Davidson Low Rider Custom - FXLR
  • 1993 Harley-Davidson Low Rider Custom - FXLR
  • 1992 Harley-Davidson Low Rider Custom - FXLR
  • 1991 Harley-Davidson Low Rider Custom - FXLR
  • 1990 Harley-Davidson Low Rider Custom - FXLR
  • 1989 Harley-Davidson Low Rider Custom - FXLR
  • 1988 Harley-Davidson Low Rider Custom - FXLR
  • 1987 Harley-Davidson Low Rider Custom - FXLR
  • 1993 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1992 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1991 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1990 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1989 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1988 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1987 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1986 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1998 Harley-Davidson Road Glide - FLTR
  • 1998 Harley-Davidson Road King - FLHR
  • 1997 Harley-Davidson Road King - FLHR
  • 1996 Harley-Davidson Road King - FLHR
  • 1995 Harley-Davidson Road King - FLHR
  • 1994 Harley-Davidson Road King - FLHR
  • 1998 Harley-Davidson Road King Classic Injected - FLHRC I
  • 1998 Harley-Davidson Road King Injected - FLHR I
  • 1997 Harley-Davidson Road King Injected - FLHR I
  • 1996 Harley-Davidson Road King Injected - FLHR I
  • 1993 Harley-Davidson Softail - FXST
  • 1992 Harley-Davidson Softail - FXST
  • 1991 Harley-Davidson Softail - FXST
  • 1990 Harley-Davidson Softail - FXST
  • 1989 Harley-Davidson Softail - FXST
  • 1988 Harley-Davidson Softail - FXST
  • 1987 Harley-Davidson Softail - FXST
  • 1986 Harley-Davidson Softail - FXST
  • 1985 Harley-Davidson Softail - FXST
  • 1984 Harley-Davidson Softail - FXST
  • 1999 Harley-Davidson Softail Custom - FXSTC
  • 1998 Harley-Davidson Softail Custom - FXSTC
  • 1997 Harley-Davidson Softail Custom - FXSTC
  • 1996 Harley-Davidson Softail Custom - FXSTC
  • 1995 Harley-Davidson Softail Custom - FXSTC
  • 1994 Harley-Davidson Softail Custom - FXSTC
  • 1993 Harley-Davidson Softail Custom - FXSTC
  • 1992 Harley-Davidson Softail Custom - FXSTC
  • 1991 Harley-Davidson Softail Custom - FXSTC
  • 1990 Harley-Davidson Softail Custom - FXSTC
  • 1989 Harley-Davidson Softail Custom - FXSTC
  • 1988 Harley-Davidson Softail Custom - FXSTC
  • 1987 Harley-Davidson Softail Custom - FXSTC
  • 1986 Harley-Davidson Softail Custom - FXSTC
  • 1999 Harley-Davidson Softail Fat Boy - FLSTF
  • 1998 Harley-Davidson Softail Fat Boy - FLSTF
  • 1997 Harley-Davidson Softail Fat Boy - FLSTF
  • 1996 Harley-Davidson Softail Fat Boy - FLSTF
  • 1995 Harley-Davidson Softail Fat Boy - FLSTF
  • 1994 Harley-Davidson Softail Fat Boy - FLSTF
  • 1993 Harley-Davidson Softail Fat Boy - FLSTF
  • 1992 Harley-Davidson Softail Fat Boy - FLSTF
  • 1991 Harley-Davidson Softail Fat Boy - FLSTF
  • 1990 Harley-Davidson Softail Fat Boy - FLSTF
  • 1999 Harley-Davidson Softail Night Train - FXSTB
  • 1999 Harley-Davidson Softail Springer - FXSTS
  • 1998 Harley-Davidson Softail Springer - FXSTS
  • 1997 Harley-Davidson Softail Springer - FXSTS
  • 1996 Harley-Davidson Softail Springer - FXSTS
  • 1995 Harley-Davidson Softail Springer - FXSTS
  • 1994 Harley-Davidson Softail Springer - FXSTS
  • 1993 Harley-Davidson Softail Springer - FXSTS
  • 1992 Harley-Davidson Softail Springer - FXSTS
  • 1991 Harley-Davidson Softail Springer - FXSTS
  • 1990 Harley-Davidson Softail Springer - FXSTS
  • 1989 Harley-Davidson Softail Springer - FXSTS
  • 1988 Harley-Davidson Softail Springer - FXSTS
  • 1997 Harley-Davidson Softail Springer Bad Boy - FXSTSB
  • 1996 Harley-Davidson Softail Springer Bad Boy - FXSTSB
  • 1995 Harley-Davidson Softail Springer Bad Boy - FXSTSB
  • 1999 Harley-Davidson Softail Standard - FXST
  • 1993 Harley-Davidson Sport Glide - FXRT
  • 1992 Harley-Davidson Sport Glide - FXRT
  • 1991 Harley-Davidson Sport Glide - FXRT
  • 1990 Harley-Davidson Sport Glide - FXRT
  • 1989 Harley-Davidson Sport Glide - FXRT
  • 1988 Harley-Davidson Sport Glide - FXRT
  • 1987 Harley-Davidson Sport Glide - FXRT
  • 1986 Harley-Davidson Sport Glide - FXRT
  • 1985 Harley-Davidson Sport Glide - FXRT
  • 1984 Harley-Davidson Sport Glide - FXRT (Early Model)
  • 1984 Harley-Davidson Sport Glide - FXRT (Late Model)
  • 1986 Harley-Davidson Sport Glide Grand Touring - FXRD
  • 1994 Harley-Davidson Super Glide - FXR
  • 1993 Harley-Davidson Super Glide - FXR
  • 1992 Harley-Davidson Super Glide - FXR
  • 1991 Harley-Davidson Super Glide - FXR
  • 1990 Harley-Davidson Super Glide - FXR
  • 1989 Harley-Davidson Super Glide - FXR
  • 1988 Harley-Davidson Super Glide - FXR
  • 1987 Harley-Davidson Super Glide - FXR
  • 1986 Harley-Davidson Super Glide - FXR
  • 1985 Harley-Davidson Super Glide - FXR
  • 1984 Harley-Davidson Super Glide - FXR
  • 1985 Harley-Davidson Super Glide Fat Bob - FXEF
  • 1994 Harley-Davidson Tour Glide Classic - FLTC
  • 1993 Harley-Davidson Tour Glide Classic - FLTC
  • 1992 Harley-Davidson Tour Glide Classic - FLTC
  • 1991 Harley-Davidson Tour Glide Classic - FLTC
  • 1990 Harley-Davidson Tour Glide Classic - FLTC
  • 1989 Harley-Davidson Tour Glide Classic - FLTC
  • 1988 Harley-Davidson Tour Glide Classic - FLTC
  • 1987 Harley-Davidson Tour Glide Classic - FLTC
  • 1986 Harley-Davidson Tour Glide Classic - FLTC
  • 1985 Harley-Davidson Tour Glide Classic - FLTC
  • 1984 Harley-Davidson Tour Glide Classic - FLTC (Early Model)
  • 1984 Harley-Davidson Tour Glide Classic - FLTC (Late Model)
  • 1995 Harley-Davidson Tour Glide Ultra Classic - FLTCU
  • 1994 Harley-Davidson Tour Glide Ultra Classic - FLTCU
  • 1993 Harley-Davidson Tour Glide Ultra Classic - FLTCU
  • 1992 Harley-Davidson Tour Glide Ultra Classic - FLTCU
  • 1991 Harley-Davidson Tour Glide Ultra Classic - FLTCU
  • 1990 Harley-Davidson Tour Glide Ultra Classic - FLTCU
  • 1989 Harley-Davidson Tour Glide Ultra Classic - FLTCU
  • 1996 Harley-Davidson Tour Glide Ultra Classic Injected - FLTCU I
  • 1986 Harley-Davidson Wide Glide - FXWG
  • 1985 Harley-Davidson Wide Glide - FXWG
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Instructions and Manuals for Cometic Top End Gasket Set for Big Twin - C9959

Instruction Manual Instruction Manual PDF 134.7 KiB

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