ATHENA Piston Kit 66.34 mm YZ250/X S4F06640019A
ATHENA Piston Kit 66.34 mm YZ250/X S4F06640019A
ATHENA Piston Kit 66.34 mm YZ250/X S4F06640019A
ATHENA Piston Kit 66.34 mm YZ250/X S4F06640019A
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ATHENA Piston Kit 66.34 mm YZ250/X S4F06640019A

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Regular price $173.95
Sale price $173.95 Regular price
Unit price
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  • SKU:
    09100641
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  • Delivery Estimate Nov 27 - Dec 01
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ATHENA Piston Kit 66.34 mm YZ250/X S4F06640019A

ATHENA Piston Kit 66.34 mm YZ250/X S4F06640019A

Regular price $173.95
Sale price $173.95 Regular price
Unit price
Product Details
Shipping and Returns
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Product Details
Two-stroke pistons are made from 4032 silicium. Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons. Both include 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 .005mm. Forged piston tooling allows for the lightest available product. Kit includes antiwear coated piston, rings, pin and circlips
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