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Cometic C3279-EST Top End Gasket Kit 99mm Bore for Yamaha

(2009-2014 Yamaha YFZ450R; 2006-2009 Yamaha YZ450F; 2009-2014 Yamaha YFZ450R SE)

Part of: Cometic Top End Gasket Kit Bore Honda

Other options in this family: Cometic C9147 Cometic C3054-EST Cometic C3267-EST Cometic C7678 Cometic C7393

Manufacturer

Picture for manufacturer Cometic

Part Number

C3279-EST
14 reviews
Sale Price

$95.94

In Stock (8)

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Usually delivered within 2 days

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Product Details

The Cometic C3279-EST Top End Gasket Kit is engineered for Yamaha engines requiring a 99mm bore, delivering professional-grade sealing performance for powersports applications. This complete kit includes all necessary gaskets, seals, and O-rings required to rebuild your engine's top end from the cylinder base upward.

EST (Extreme Sealing Technology) Features:

  • Embossed stainless steel head gaskets with proprietary rubber coating for superior sealing
  • Advanced materials including spring steel and graphite construction for durability
  • Spring steel gaskets feature a stainless steel shim design with .0001" silicone coating on both sides
  • Graphite material is completely impervious to fuels, coolants, and oils
  • Heat dissipation design draws heat away from combustion area to eliminate hot spots and prevent gasket failure
  • Maximum seal and flexibility with excellent torque retention

What's Included:

  • MLS (Multi-Layer Steel) cylinder head gasket
  • All top end gaskets from cylinder base upward
  • Necessary seals and O-rings for complete rebuild
  • Does not include base gasket or oil seals (sold separately)

Proudly manufactured in the USA using American-made materials, Cometic gaskets are trusted by professional race teams and engine builders worldwide. Designed to withstand the extreme cylinder pressures, temperatures, and clamp loads of modern high-performance engines.

Products specifications

Fits

2009-2014 Yamaha YFZ450R; 2006-2009 Yamaha YZ450F; 2009-2014 Yamaha YFZ450R SE

Package Quantity

16

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