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Athena Replacement Big Bore Forged Piston

Item: 326326

$122.26 – $225.79

Select Your Vehicle - Fitment Guaranteed

Athena Replacement Big Bore Forged Piston


  • Athena Big Bore 4-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons
  • Include 3% copper in materials for better heat resistance
  • Forged using a precision heat-treatment process that allows for production tolerances of just 0.01mm
  • Forged piston tooling allows for the lightest available product
  • Kits include anti-wear coated piston, rings, pin and circlips
  • Made in Italy

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

Specification Details
Bore Varies (make selection above)
Compression Ratio Varies (make selection above)
Country of Origin Varies (make selection above)
Displacement Varies (make selection above)
Material Varies (make selection above)
Piston Diameter Varies (make selection above)
Piston Type Varies (make selection above)
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.

Arctic Cat
  • DVX 400 2004-2008
Honda
  • CRF150R 2007-2009
  • CRF150R Expert 2007-2009
  • CRF250R 4-Stroke 2004-2023
  • CRF250X 4-Stroke 2004-2009, 2012-2013
Husqvarna
  • FC 250 2014-2022
  • FC 350 2014-2015
  • FE 250 2014-2019
  • FE 350 2014-2016
KTM
  • 250 EXC-F 2015, 2017-2019
  • 250 SX-F 2013-2022
  • 250 XC-F 2013-2022
  • 350 EXC-F 2012-2016
  • 350 SX-F 2011-2015
  • 350 XC-F 2011-2013
  • 350 XCF-W 2012-2016
Kawasaki
  • KFX400 2003-2006
  • KLX400R 2003-2004
  • KLX400SR 2003-2004
  • KX250F 4-Stroke 2009-2016
  • KX450F 2009-2018
Suzuki
  • DR-Z400 2000-2004
  • DR-Z400E 2000-2007
  • DR-Z400S 2000-2017, 2019
  • DR-Z400SM 2005-2009, 2012-2017, 2019
  • LT-Z400 QuadSport 400 2003-2014
  • RM-Z250 2007-2018
Yamaha
  • WR250F 2001-2012, 2015-2018
  • WR450F 2003-2015
  • YZ250 2-Stroke 2003-2023
  • YZ250F 4-Stroke 2001-2007, 2014-2018
  • YZ450F 2003-2019
  • YZ450FX 2018-2019
  • YZ85 2002-2023

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