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Breathe new life into your 4-stroke enduro engine with Athena's Forged Top End Piston Kit. Designed for riders who demand maximum performance and uncompromising reliability, this complete rebuild kit pairs a precision-forged piston with Athena's premium top-end gasket kit for a straightforward installation and race-ready durability. Manufactured using a reverse extrusion forging process and precision CNC machining, the piston delivers exceptional strength, superior heat resistance, and crisp throttle response, while premium Japanese piston rings and Athena's advanced gasket technology provide dependable sealing for long-lasting performance.
- Complete top-end rebuild kit featuring a forged 4-stroke piston and premium gasket set
- Reverse-extruded forged aluminum piston for superior strength and durability
- Precision CNC-machined for OEM-quality fit and consistent performance
- Premium Japanese piston rings with wear-resistant coatings reduce friction and extend engine life
- Optimized piston design improves combustion efficiency and delivers responsive power
- Advanced gasket materials provide reliable, leak-free sealing under demanding enduro conditions
Includes:
- Forged 4-Stroke Piston
- Piston Rings (2)
- Piston Pin / Wrist Pin
- Circlips
- Complete Top End Gasket Kit
- Piston Size: 77.96mm
- Displacement: 250cc
- Compression: 14.4:1
- Piston Type: Forged
- Compression Height: 19.50mm
- Piston Pin: Standard
- Big End Pin Diameter: 16 x 9 x 38.2mm
WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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