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Replacement interface O ring - All Phatheads kits

Regular price $1.00 USD
Regular price Sale price $1.00 USD
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  • This is the top seal for the area that interfaces the combustion chamber to the outer head shell.  (small red O ring)
  • If you need the gasket surface O rings order the kit for your model to get all three O rings.
  • It is better to have it and not need it.  These seals rarely go bad but they are not available at your local hardware or automotive supply store.