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About Athena Standard Bore Cylinder Only

Athena Standard Bore Cylinder Only

  • Available in standard bore and big bore sizes
  • 4-stroke kits include a nickel carbide coated cylinder designed with wider water jackets, complete piston kit and a top end gasket set.
  • Cylinder kits include all parts in the kits plus an aluminum cylinder head with removable brass dome allowing for higher compression and anti-detonating features.
  • Cylinder kits include a nickel carbide coated cylinder ported to factory specs, special hard anodized exhaust valves, complete piston kit and a top end gasket set.
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