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 fits models with Athena 290cc Big Bore Kit, (sold separately).
Specification
Details
Bore
83 mm
Compression Ratio
12.6:1
Country of Origin
Italy
Displacement
290cc
Material
Aluminum
Piston Diameter
82.96mm
Piston Type
Forged
Size Over Standard
6 mm Larger than Stock
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.
Kawasaki
KX250F 4-Stroke 2007-2016
Suzuki
RM-Z250 2007-2022
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Questions & Answers
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