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
Product Note:
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
Customer Reviews
Be the first to review this product. How many stars would you give this product?
Questions & Answers
Piston
By N/a
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.
Have a question? Please ask our experts and customers who own this product.
