The Cometic C9778F Complete EST Gasket Twin Cam Kit provides the essential gaskets, seals, washers, and O-rings needed for a complete engine overhaul on select Harley-Davidson motorcycles. Designed for reliable service on powerful V-Twin engines, this kit combines advanced gasket materials, precision manufacturing, and application-specific designs to support proper sealing and dependable engine performance.
Cometic’s Harley-Davidson EST Gasket Kits include MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM material. Each component is selected to provide an appropriate sealing solution for the application, helping simplify rebuild planning and reduce the need to source individual engine sealing parts. The kit is manufactured by Cometic Gasket and is identified by manufacturer and vendor part number C9778F.
Fitment includes the 1999–2006 Harley-Davidson FLHR Road King and the 1999–2000 Harley-Davidson FLHTC Electra Glide Classic. Verify the motorcycle model, model year, engine configuration, and existing gasket requirements before installation to confirm compatibility. This complete Cometic kit is intended for Twin Cam applications and is designed to support a thorough overhaul using purpose-built sealing components.
Features:
- Brand: Cometic Gasket
- Manufacturer and vendor part number: C9778F
- Product type: Complete EST gasket kit
- Application: Harley-Davidson Twin Cam V-Twin engines
- Included components: Gaskets, seals, washers, and O-rings for a complete overhaul
- Head gasket material: MLS
- Base gasket material: Steel with Viton coating
- Valve stem seals: Blue Viton
- Additional sealing material: AFM
- Fitment: 1999–2006 Harley-Davidson FLHR Road King
- Fitment: 1999–2000 Harley-Davidson FLHTC Electra Glide Classic
Fitment:
1999 Harley Davidson FLHR Road King
1999 Harley Davidson FLHRC Road King Classic
1999 Harley Davidson FLHT Electra Glide
1999 Harley Davidson FLHTC Electra Glide Classic
1999 Harley Davidson FLHTCU Electra Glide Ultra Classic
1999 Harley Davidson FLTR Road Glide
2000 Harley Davidson FLHR Road King
2000 Harley Davidson FLHRC Road King Classic
2000 Harley Davidson FLHT Electra Glide
2000 Harley Davidson FLHTC Electra Glide Classic
2000 Harley Davidson FLHTCU Electra Glide Ultra Classic
2000 Harley Davidson FLTR Road Glide
2001 Harley Davidson FLHR Road King
2001 Harley Davidson FLHRC Road King Classic
2001 Harley Davidson FLHT Electra Glide
2001 Harley Davidson FLHTC Electra Glide Classic
2001 Harley Davidson FLHTCU Electra Glide Ultra Classic
2001 Harley Davidson FLTR Road Glide
2001 Harley Davidson FLTRSE CVO Road Glide
2002 Harley Davidson FLHR Road King
2002 Harley Davidson FLHRC Road King Classic
2002 Harley Davidson FLHRSE CVO Road King
2002 Harley Davidson FLHT Electra Glide
2002 Harley Davidson FLHTC Electra Glide Classic
2002 Harley Davidson FLHTCU Electra Glide Ultra Classic
2002 Harley Davidson FLTR Road Glide
2003 Harley Davidson FLHR Road King
2003 Harley Davidson FLHRC Road King Classic
2003 Harley Davidson FLHRSE CVO Road King
2003 Harley Davidson FLHT Electra Glide
2003 Harley Davidson FLHTC Electra Glide Classic
2003 Harley Davidson FLHTCU Electra Glide Ultra Classic
2003 Harley Davidson FLTR Road Glide
2004 Harley Davidson FLHR Road King
2004 Harley Davidson FLHRC Road King Classic
2004 Harley Davidson FLHRS Road King Custom
2004 Harley Davidson FLHT Electra Glide
2004 Harley Davidson FLHTC Electra Glide Classic
2004 Harley Davidson FLHTCSE CVO Electra Glide
2004 Harley Davidson FLHTCU Electra Glide Ultra Classic
2004 Harley Davidson FLTR Road Glide
2005 Harley Davidson FLHR Road King
2005 Harley Davidson FLHRC Road King Classic
2005 Harley Davidson FLHRS Road King Custom
2005 Harley Davidson FLHT Electra Glide
2005 Harley Davidson FLHTC Electra Glide Classic
2005 Harley Davidson FLHTCSE CVO Electra Glide
2005 Harley Davidson FLHTCU Electra Glide Ultra Classic
2005 Harley Davidson FLTR Road Glide
2006 Harley Davidson FLHR Road King
2006 Harley Davidson FLHRC Road King Classic
2006 Harley Davidson FLHRS Road King Custom
2006 Harley Davidson FLHT Electra Glide
2006 Harley Davidson FLHTC Electra Glide Classic
2006 Harley Davidson FLHTCU Electra Glide Ultra Classic
2006 Harley Davidson FLHTCUSE CVO Electra Glide Ultra Classic
2006 Harley Davidson FLHX Street Glide
2006 Harley Davidson FLTR Road Glide