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About Athena Big Bore Cylinder Kits

Athena Big Bore Cylinder Kits

  • Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets
  • Includes Forged piston, rings, clips and pin
  • Athena top-end gasket set includes required seals and hardware
  • Easy-to-follow step-by-step installation instructions
  • Most are bolt-on; no machining required except where noted.
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