SKU:227221
Breathe new life into your 2-stroke engine with this all-in-one, race-ready top-end rebuild kit. Athena has perfectly paired a gravity-cast, high-silicon aluminum piston with their industry-leading top-end gaskets to give you a seamless and reliable rebuild experience. The precision CNC-machined piston ensures flawless fuel flow and optimal flame propagation, while the specialized molybdenum disulfide skirt coating greatly reduces internal friction for maximum power and longevity. Accompanied by gaskets that have undergone advanced stress-relieving processes and proprietary surface treatments, this kit guarantees an unbeatable seal under extreme cylinder pressures. Reclaim your factory compression and hit the track with ultimate confidence!
Complete top-end solution perfectly pairing a cast 2-stroke piston and comprehensive gasket kit
Gravity-cast from a specialized high-silicon aluminum alloy for exceptional strength and heat resistance
Molybdenum disulfide skirt coating drastically reduces friction and internal engine wear
Precision CNC-machined profile ensures optimal fuel flow and perfect flame propagation
Advanced gaskets feature proprietary surface treatments and stress-relieving processes for maximum sealing reliability
Includes:
Cast 2-Stroke Piston
Piston Ring (1)
Piston Pin / Wrist Pin
Circlips
Needle Bearing
Complete Top End Gasket Kit
Piston Size: 46.95mm (B-Size)
The ATHENA P4C0470088005B top-end piston kit is identified for KTM 85 SX models from 2018 through 2025. Designed as a replacement top-end component, this kit supports service and maintenance needs for the specified motorcycle application.
With its application-specific design, the kit provides a direct product option for KTM 85 SX owners and technicians working on the engine’s top end. The product is supplied as one unit, as indicated by the listed unit of measure.
Use the ATHENA brand and part number P4C0470088005B to confirm the correct product for your application before ordering. Verify the motorcycle model year and required service components to ensure this piston kit meets your maintenance requirements.
Features:
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