The Cometic C9754F Complete EST Gasket Kit is designed for complete engine overhauls on select Harley-Davidson Evo Sportster 883 models. Cometic Gasket develops advanced sealing solutions for high-performance V-Twin engines, combining updated materials, manufacturing processes, and gasket designs to support dependable service and long-term durability. This complete kit is an efficient solution when replacing multiple sealing components during an engine rebuild.
Cometic’s EST, or Extreme Sealing Technology, kit includes the gaskets, seals, washers, and O-rings required for a comprehensive overhaul. The kit features MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM sealing material. These components are selected to provide reliable sealing around critical engine areas and to help maintain proper compression and fluid control under demanding operating conditions.
Engineered for fitment on 1986–1990 Harley-Davidson XLH883 Sportster 883 and XLH883D Sportster 883 Deluxe models, the Cometic C9754F is suitable for applications using the original-equipment gasket reference 17026. Verify the motorcycle model, year, and engine configuration before ordering. Manufacturer part number: C9754F. Vendor part number: C9754F.
Features:
- Advanced Cometic gasket technology for Harley-Davidson V-Twin engine applications
- Complete EST overhaul kit includes gaskets, seals, washers, and O-rings
- MLS head gaskets support reliable cylinder-head sealing
- Steel Viton-coated base gaskets provide durable sealing performance
- Blue Viton valve stem seals and AFM sealing material included
- Fits 1986–1990 Harley-Davidson XLH883 Sportster 883 models
- Fits 1986–1990 Harley-Davidson XLH883D Sportster 883 Deluxe models
- Manufacturer and vendor part number: C9754F
Fitment:
1986 Harley Davidson XLH883 Sportster 883
1986 Harley Davidson XLH883D Sportster 883 Deluxe
1987 Harley Davidson XLH883 Sportster 883
1987 Harley Davidson XLH883D Sportster 883 Deluxe
1987 Harley Davidson XLH883H Sportster 883 Hugger
1988 Harley Davidson XLH883 Sportster 883
1988 Harley Davidson XLH883D Sportster 883 Deluxe
1988 Harley Davidson XLH883H Sportster 883 Hugger
1989 Harley Davidson XLH883 Sportster 883
1989 Harley Davidson XLH883D Sportster 883 Deluxe
1989 Harley Davidson XLH883H Sportster 883 Hugger
1990 Harley Davidson XLH883 Sportster 883
1990 Harley Davidson XLH883D Sportster 883 Deluxe
1990 Harley Davidson XLH883H Sportster 883 Hugger