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Cometic EST Top End Gasket Set - 75mm - C7143-EST

  • Part #: 263558
  • Manufacturer Part #: C7143-EST

MSRP Price: $79.95

Our Price: $71.95

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Overview of Cometic EST Top End Gasket Set - 75mm - C7143-EST

  • Extreme Sealing Technology
  • Includes head and base gaskets, valve stem seals and copper crush washers
  • Ensure a critical seal and superior durability that meets and exceeds OEM specifications
  • Gaskets are made from quality materials such as MSL (Multi-Layer Steel), rubber-coated steel and aluminum foam material
  • MLS head gaskets are made from Viton-coated stainless steel material and feature an embossed gasket design that is ideal for high combustion pressures and lightweight engines
  • Graphite material extracts heat away from the combustion area, eliminating hot spots
  • Cometic graphite material is impervious to fuels, coolant and oil
  • Maximum seal and flexibility is obtained with excellent torque retention


  • Included Items:
    (1) Engine case gasket
    (1) Head gasket
    (1) Base gasket
    (2) 10mm 2mm Viton o-rings
    (1) 35mm x 3mm Viton o-ring
    (2) 57mm x 2mm Viton o-rings
    (2) 78mm x 2mm Viton o-rings
    (2) 7mm x 2.5mm Buna o-rings
    (4) 5 x 7.5 x 8 Valve stem seals

Specs for Cometic EST Top End Gasket Set - 75mm - C7143-EST

Type Top End Gasket
Type - Gasket Kits Top End Gasket Kit
Units Set
Weight 0.20 lbs

Specs for Cometic EST Top End Gasket Set - 75mm - C7143-EST

Type Top End Gasket
Type - Gasket Kits Top End Gasket Kit
Units Set
Weight 0.20 lbs

Fitment for Cometic EST Top End Gasket Set - 75mm - C7143-EST

See if this part fits your ride

Part 263558 fits the following machines

Honda
  • 1992 Honda TRX250X FourTrax
  • 1991 Honda TRX250X FourTrax
  • 1988 Honda TRX250X FourTrax
  • 1987 Honda TRX250X FourTrax
  • 2008 Honda TRX300EX
  • 2007 Honda TRX300EX
  • 2006 Honda TRX300EX
  • 2000 Honda TRX300EX FourTrax
  • 1999 Honda TRX300EX FourTrax
  • 1998 Honda TRX300EX FourTrax
  • 1997 Honda TRX300EX FourTrax
  • 1996 Honda TRX300EX FourTrax
  • 1995 Honda TRX300EX FourTrax
  • 1994 Honda TRX300EX FourTrax
  • 1993 Honda TRX300EX FourTrax
  • 2005 Honda TRX300EX Sportrax
  • 2004 Honda TRX300EX Sportrax
  • 2003 Honda TRX300EX Sportrax
  • 2002 Honda TRX300EX Sportrax
  • 2001 Honda TRX300EX Sportrax
  • 2009 Honda TRX300X
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Instructions and Manuals for Cometic EST Top End Gasket Set - 75mm - C7143-EST