Athena Replacement Big Bore Cast Piston

Item Number: 325665


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Product Description


Athena Replacement Big Bore Cast Piston

  • Only works with machines equipped with Athena Cylinder Kits
  • Athena Big Bore pistons are made from a high-silicon aluminum alloy, the same material used to produce Formula 1 pistons
  • Includes 3% copper in materials for better heat resistance
  • All pistons are cast using a precision heat-treatment process that allows for production tolerances of just 0.01mm
  • Piston tooling allows for the lightest available product
  • Kits include anti-wear coated piston, ring(s), pin and circlips
  • Athena pistons are sold individually

Product Note: Only works with Athena Cylinder Kit (sold separately)

Spec Details
Bore Varies (make selection above)
Compression Ratio Varies (make selection above)
Displacement Varies (make selection above)
Piston Type Cast
Size Over Standard Varies (make selection above)

Vehicle Fitment

Fitment is guaranteed or your money back plus free return shipping. Don't waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.


  • 65 SX 2001-2008


  • KLX110 2003-2009
  • KX65 2002-2016
  • KX125 2003-2005


  • YFZ350 Banshee 1987-2006
  • YZ125 1997-2012

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