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Cometic C9747 Top End Gasket Kit for Harley-Davidson Evo Big Twin 1984-1991

(Harley-Davidson FLSTF Fat Boy 1990-91, FLHTCU Electra Glide Ultra Classic 1989-91, FLSTC Heritage Softail Classic 1988-91 + 23 more models)

Manufacturer

Part Number

C9747
Sale Price

$105.68

1 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The Cometic C9747 EST Top End Gasket Kit provides everything needed to rebuild the top end of Harley-Davidson Big Twin Evolution motors from 1984-1991. This comprehensive kit includes all necessary gaskets and seals for a complete top end rebuild, manufactured in the USA to exacting standards.

Key Specifications:

  • Bore Size: 3.50 inches
  • Head Gasket Thickness: .040 inch Multi-Layer Steel (MLS)
  • Replaces OEM Part Number: 1703383
  • Application: Big Twin Evolution engines (1984-1991)
  • Made in USA

Cometic's EST (Engine Sealing Technology) gaskets feature advanced multi-layer steel construction for superior sealing performance, durability, and resistance to combustion pressure. The MLS head gaskets provide excellent conformability to sealing surfaces while maintaining strength and reusability. This complete kit eliminates the need to source individual gaskets, ensuring you have all the components required for a professional top end rebuild.

Products specifications

Fits

Harley-Davidson FLSTF Fat Boy 1990-91, FLHTCU Electra Glide Ultra Classic 1989-91, FLSTC Heritage Softail Classic 1988-91, FLHTC Electra Glide Classic 1985-91, FXST Softail Standard 1985-90, FXSTC Softail Custom 1986-91 + 20 more models

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Title

Cometic Gasket V-Twin Harley-Davidson 1984-1991 Evolution Big Twin Top End Gasket Kit

I think your ground shipping for the two little items I ordered is a bit much

Hard to find part, found here searching internet

Paypal checkout saves me a whole bunch of time. THANKS

Ordering process was very easy.

Quick & good price

Great

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