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ATHENA Piston Kit 52.95mm YZ85 2002-2023 S4F05300002A

ATHENA Piston Kit 52.95mm YZ85 2002-2023 S4F05300002A

Regular price $227.95 USD
Regular price $227.95 USD Sale price $227.95 USD
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  • Two-stroke pistons are made from 4032 silicium
  • Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons
  • Both include 3% copper in materials for better heat resistance
  • All pistons are forged using a precision heat-treatment process that allows for production tolerances of just .005mm
  • Forged piston tooling allows for the lightest available product
  • Kits include antiwear coated piston, rings, pin and circlips
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