The Cometic C9753 Rocker Box Gasket Kit is designed for Harley-Davidson Evo Big Twin engines and provides the gaskets, seals, washers, and O-rings required for a complete rocker box service or engine overhaul. Built using Cometic’s advanced gasket technology, this kit supports reliable sealing performance for high-performance V-Twin applications.
Cometic Harley-Davidson EST Gasket Kits combine application-specific materials with carefully engineered designs. The kit includes MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM material components. Each part is selected to provide dependable sealing, fluid resistance, and compatibility with the original equipment installation requirements.
Fitment: This kit fits 1985–1991 Harley-Davidson FLHTC Electra Glide Classic models and 1989–1991 Harley-Davidson FLHTCU Electra Glide Ultra Classic models. Verify the engine configuration and original equipment requirements before installation. The manufacturer part number is Cometic C9753, and the vendor part number is 68-9753.
Designed as a complete solution, the Cometic C9753 helps simplify gasket replacement by supplying the primary sealing components needed for the specified Evo Big Twin applications. Use it when servicing rocker boxes or completing a broader engine overhaul where dependable fit and material compatibility are essential.
Features:
- Complete gasket kit includes gaskets, seals, washers, and O-rings for a comprehensive overhaul
- MLS head gaskets support dependable sealing for Harley-Davidson Evo Big Twin engines
- Steel Viton-coated base gaskets provide durable sealing and fluid resistance
- Blue Viton valve stem seals are included for application-specific service
- AFM material components are engineered for reliable sealing performance
- Fits 1985–1991 Harley-Davidson FLHTC Electra Glide Classic models
- Fits 1989–1991 Harley-Davidson FLHTCU Electra Glide Ultra Classic models
- Brand: Cometic
- Manufacturer part number: C9753
- Vendor part number: 68-9753
Fitment:
1985 Harley Davidson FLH Electra Glide
1985 Harley Davidson FLHTC Electra Glide Classic
1985 Harley Davidson FLHX Electra Glide Special
1985 Harley Davidson FLTC Tour Glide Classic
1985 Harley Davidson FXEF Fat Bob
1985 Harley Davidson FXRS Low Glide
1985 Harley Davidson FXRT Sport Glide
1985 Harley Davidson FXSB Low Rider - Belt
1985 Harley Davidson FXST Softail
1985 Harley Davidson FXWG Wide Glide
1986 Harley Davidson FLHT Electra Glide
1986 Harley Davidson FLHTC Electra Glide Classic
1986 Harley Davidson FLST Softail Heritage
1986 Harley Davidson FLTC Tour Glide Classic
1986 Harley Davidson FXR Super Glide
1986 Harley Davidson FXRD Grand Touring
1986 Harley Davidson FXRS-SP Low Rider Sport
1986 Harley Davidson FXRT Sport Glide
1986 Harley Davidson FXST Softail
1986 Harley Davidson FXSTC Softail Custom
1986 Harley Davidson FXWG Wide Glide
1987 Harley Davidson FLHS Electra Glide Sport
1987 Harley Davidson FLHT Electra Glide
1987 Harley Davidson FLHTC Electra Glide Classic
1987 Harley Davidson FLST Softail Heritage
1987 Harley Davidson FLTC Tour Glide Classic
1987 Harley Davidson FXLR Low Rider Custom
1987 Harley Davidson FXR Super Glide
1987 Harley Davidson FXRC Low Rider Chrome
1987 Harley Davidson FXRS Low Glide
1987 Harley Davidson FXRS-SP Low Rider Sport
1987 Harley Davidson FXRT Sport Glide
1987 Harley Davidson FXST Softail
1987 Harley Davidson FXSTC Softail Custom
1988 Harley Davidson FLHS Electra Glide Sport
1988 Harley Davidson FLHTC Electra Glide Classic
1988 Harley Davidson FLST Softail Heritage
1988 Harley Davidson FLSTC Softail Heritage Classic
1988 Harley Davidson FLTC Tour Glide Classic
1988 Harley Davidson FXLR Low Rider Custom
1988 Harley Davidson FXR Super Glide
1988 Harley Davidson FXRS Low Glide
1988 Harley Davidson FXRS-SP Low Rider Sport
1988 Harley Davidson FXRT Sport Glide
1988 Harley Davidson FXST Softail
1988 Harley Davidson FXSTC Softail Custom
1988 Harley Davidson FXSTS Softail Springer
1989 Harley Davidson FLHS Electra Glide Sport
1989 Harley Davidson FLHTC Electra Glide Classic
1989 Harley Davidson FLHTCU Electra Glide Ultra Classic
1989 Harley Davidson FLST Softail Heritage
1989 Harley Davidson FLSTC Softail Heritage Classic
1989 Harley Davidson FLTC Tour Glide Classic
1989 Harley Davidson FLTCU Ultra Classic Tour Glide
1989 Harley Davidson FXLR Low Rider Custom
1989 Harley Davidson FXR Super Glide
1989 Harley Davidson FXRS Low Glide
1989 Harley Davidson FXRS-SP Low Rider Sport
1989 Harley Davidson FXRT Sport Glide
1989 Harley Davidson FXST Softail
1989 Harley Davidson FXSTC Softail Custom
1989 Harley Davidson FXSTS Softail Springer
1990 Harley Davidson FLHS Electra Glide Sport
1990 Harley Davidson FLHTC Electra Glide Classic
1990 Harley Davidson FLHTCU Electra Glide Ultra Classic
1990 Harley Davidson FLST Softail Heritage
1990 Harley Davidson FLSTC Softail Heritage Classic
1990 Harley Davidson FLSTF Softail Fat Boy
1990 Harley Davidson FLTC Tour Glide Classic
1990 Harley Davidson FLTCU Ultra Classic Tour Glide
1990 Harley Davidson FXLR Low Rider Custom
1990 Harley Davidson FXR Super Glide
1990 Harley Davidson FXRS Low Glide
1990 Harley Davidson FXRS-Conv Low Rider Convertible
1990 Harley Davidson FXRS-SP Low Rider Sport
1990 Harley Davidson FXRT Sport Glide
1990 Harley Davidson FXST Softail
1990 Harley Davidson FXSTC Softail Custom
1990 Harley Davidson FXSTS Softail Springer
1991 Harley Davidson FLHS Electra Glide Sport
1991 Harley Davidson FLHTC Electra Glide Classic
1991 Harley Davidson FLHTCU Electra Glide Ultra Classic
1991 Harley Davidson FLSTC Softail Heritage Classic
1991 Harley Davidson FLSTF Softail Fat Boy
1991 Harley Davidson FLTC Tour Glide Classic
1991 Harley Davidson FLTCU Ultra Classic Tour Glide
1991 Harley Davidson FXDB-S Dyna Glide Sturgis
1991 Harley Davidson FXLR Low Rider Custom
1991 Harley Davidson FXR Super Glide
1991 Harley Davidson FXRS Low Glide
1991 Harley Davidson FXRS-Conv Low Rider Convertible
1991 Harley Davidson FXRS-SP Low Rider Sport
1991 Harley Davidson FXRT Sport Glide
1991 Harley Davidson FXSTC Softail Custom
1991 Harley Davidson FXSTS Softail Springer