Seller notes

Athena 276cc Big Bore Cylinder Kit KTM/Husqvarna 250 SX-F/250 XC-F/FC 250 Product Details Kit includes aluminum cylinder with galvanic coating designForged piston with molybdenum coating; includes rings, clips and pinAthena top-end gasket setEasy-to-follow step-by-step installation instructionsNo machining required to complete installationMade in Italy NOTE: Only fits machines with Athena 276cc Big Bore Kit (sold separately). Fit GuideModelBig Bore Cylinder KitBore82mmCompression Ratio13.8:1Coun...

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