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Athena Big Bore Piston

Item: 325600

$185.49 – $225.94

Select Your Vehicle - Fitment Guaranteed

Athena Big Bore Piston


  • 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 forged 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
  • Made in Italy
Specification Details
Bore Varies (make selection above)
Compression Ratio Varies (make selection above)
Country of Origin Italy
Displacement Varies (make selection above)
Material Aluminum
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.

Honda
  • CRF450R 2002-2008
  • CRF450X 2005-2009, 2012-2014
  • TRX450ER Sportrax 450ER 2006-2014
  • TRX450R Sportrax 450R 2006-2014
Yamaha
  • YFZ450 ATV 2004-2009, 2012-2013
  • YFZ450R ATV 2009-2013
  • YFZ450X ATV 2010-2011

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Piston

What size is the piston

Once you select your make, year and model from our fit guide and then choose the size over standard for the piston kit you have, the exact piston diameter will be displayed below the main item's description.

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