Made in the USA

Manufactured by Cometic (C9767)

  • EST (Extreme Sealing Technology) gasket kits include embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber material
  • Head gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to eliminate hot spots and gasket failure
  • Sets contain all the necessary gaskets, seals, and O-rings to rebuild the top end from the cylinder base upward

WARNING: Cancer and Reproductive Harm -

BORE SIZE 3.625" / 3,625"

Top End Rebuild Kit Big Bore EST (84-91BT)