{"product_id":"oro2u-56-k178-85-cka-6fcd940f","title":"Cylinder Full Kit 85MM KTM Sx-f\/Xc-f 250 19-22, Athena P400270100025 300CC Big Bore, (Piston included)","description":"\u003cp\u003eCylinder Full Kit 85MM KTM Sx-f\/Xc-f 250 19-22, Athena P400270100025 300CC Big Bore, (Piston included). Find the product specifications and compatibility information below.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct: Cylinder Full Kit 85MM KTM Sx-f\/Xc-f 250 19-22, Athena P400270100025 300CC Big Bore, (Piston included)\u003c\/li\u003e\n\u003cli\u003ePart number: 56-K178.85.CKA\u003c\/li\u003e\n\u003cli\u003eBrand: Athena\u003c\/li\u003e\n\u003cli\u003eThis Athena 300cc Big Bore Cylinder Kit is engineered for KTM, Husqvarna, and GasGas 250cc four-stroke models from 2019 to 2023. Designed to increase displacement from 250cc to 300cc, it includes a complete cylinder assembly with piston, gasket set, and the GET Boost electronic module for optimized engine performance without requiring ECU reprogramming.\u003c\/li\u003e\n\u003cli\u003eIncreases displacement to 300cc for enhanced power and torque\u003c\/li\u003e\n\u003cli\u003eIncludes aluminum cylinder with 85 mm steel liner\u003c\/li\u003e\n\u003cli\u003eHigh-performance forged piston with DLC-coated wrist pin and circlips\u003c\/li\u003e\n\u003cli\u003eComplete gasket set with MLS head gasket\u003c\/li\u003e\n\u003cli\u003eGET Boost electronic module with preloaded 300cc fuel map\u003c\/li\u003e\n\u003cli\u003ePlug-and-play installation with no ECU reflash required\u003c\/li\u003e\n\u003cli\u003eDeveloped for motocross and enduro applications\u003c\/li\u003e\n\u003cli\u003eManufacturer: Athena\u003c\/li\u003e\n\u003cli\u003ePart Number: P400270100025\u003c\/li\u003e\n\u003cli\u003eBore Size: 85 mm\u003c\/li\u003e\n\u003cli\u003eDisplacement: 300 cc\u003c\/li\u003e\n\u003cli\u003eCylinder Material: High-silicon aluminum alloy with co-fused steel liner\u003c\/li\u003e\n\u003cli\u003ePiston: Forged aluminum with molybdenum disulfide coating\u003c\/li\u003e\n\u003cli\u003eWrist Pin: Aerospace-grade steel, DLC-coated\u003c\/li\u003e\n\u003cli\u003eElectronics: GET Boost module with pre-installed map\u003c\/li\u003e\n\u003cli\u003eGasket Type: Multi-Layer Steel (MLS) head gasket\u003c\/li\u003e\n\u003cli\u003eVehicle Fitments\u003c\/li\u003e\n\u003cli\u003eGasGas EX F 250 cc 2021–2023\u003c\/li\u003e\n\u003cli\u003eGasGas MC F 250 cc 2021–2023\u003c\/li\u003e\n\u003cli\u003eHusqvarna FC 250 cc 2019–2022\u003c\/li\u003e\n\u003cli\u003eKTM SX-F 250 cc 2019–2022\u003c\/li\u003e\n\u003cli\u003eKTM XC-F 250 cc 2019–2022\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eNo separate vehicle-fitment table record was supplied for this part. Check any application details, sizes and specifications above before ordering.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eWhy buy from FDY Performance?\u003c\/h3\u003e\u003cp\u003eFDY Performance is a UK motorcycle and ATV parts specialist. We help riders find parts with clear specifications, vehicle fitment information where available and support before ordering.\u003c\/p\u003e\u003ch3\u003eNeed help choosing the right part?\u003c\/h3\u003e\u003cp\u003eContact us with your bike make, model and year, plus the part number shown above, and we can help you check compatibility.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCall: \u003ca href=\"tel:+447765534854\"\u003e07765 534854\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmail: \u003ca href=\"mailto:fdy@fdyperformance.com\"\u003efdy@fdyperformance.com\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eWebsite: \u003ca href=\"https:\/\/www.fdyperformance.com\"\u003ewww.fdyperformance.com\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":59664087810396,"sku":"56-K178.85.CKA","price":897.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/6982\/0252\/files\/56-k178-85-cka-1-2.png?v=1793123301","url":"https:\/\/fdyperformance.com\/products\/oro2u-56-k178-85-cka-6fcd940f","provider":"FDY performance Ltd","version":"1.0","type":"link"}