Cylinder Full Kit 85MM KTM Sx-f/Xc-f 250 19-22, Athena P400270100025 300CC Big Bore, (Piston included)

Cylinder 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.

Product details

• Product: Cylinder Full Kit 85MM KTM Sx-f/Xc-f 250 19-22, Athena P400270100025 300CC Big Bore, (Piston included)
• Part number: 56-K178.85.CKA
• Brand: Athena
• This 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.
• Increases displacement to 300cc for enhanced power and torque
• Includes aluminum cylinder with 85 mm steel liner
• High-performance forged piston with DLC-coated wrist pin and circlips
• Complete gasket set with MLS head gasket
• GET Boost electronic module with preloaded 300cc fuel map
• Plug-and-play installation with no ECU reflash required
• Developed for motocross and enduro applications
• Manufacturer: Athena
• Part Number: P400270100025
• Bore Size: 85 mm
• Displacement: 300 cc
• Cylinder Material: High-silicon aluminum alloy with co-fused steel liner
• Piston: Forged aluminum with molybdenum disulfide coating
• Wrist Pin: Aerospace-grade steel, DLC-coated
• Electronics: GET Boost module with pre-installed map
• Gasket Type: Multi-Layer Steel (MLS) head gasket
• Vehicle Fitments
• GasGas EX F 250 cc 2021–2023
• GasGas MC F 250 cc 2021–2023
• Husqvarna FC 250 cc 2019–2022
• KTM SX-F 250 cc 2019–2022
• KTM XC-F 250 cc 2019–2022

Compatibility

No separate vehicle-fitment table record was supplied for this part. Check any application details, sizes and specifications above before ordering.

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Need help choosing the right part?

Contact us with your bike make, model and year, plus the part number shown above, and we can help you check compatibility.

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• Email: fdy@fdyperformance.com
• Website: www.fdyperformance.com