ATHENA P5F0790323002A Top End Piston Kit for Honda CRF-R 250 2022–2023

Breathe new life into your 4-stroke enduro engine with Athena's Forged Top End Piston Kit. Engineered for riders who demand championship-level performance and long-lasting reliability, this complete rebuild kit combines a precision-forged piston with Athena's premium top-end gasket kit for a seamless installation and race-ready results. 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 outstanding sealing under the toughest riding conditions. Compatible with Athena's Racing DLC Wrist Pin (sold separately) for riders looking to further reduce friction and maximize engine performance.

• Complete top-end rebuild kit featuring a forged 4-stroke piston and premium gasket set
• Reverse-extruded forged aluminum piston for exceptional 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 promotes efficient combustion and responsive power delivery
• Advanced gasket materials provide dependable, leak-free sealing for demanding enduro applications
• Compatible with Athena Racing DLC Wrist Pin (Item #S41317088) for enhanced durability and reduced friction

Includes:

• Forged 4-Stroke Piston
• Piston Rings (2)
• Piston Pin / Wrist Pin
• Circlips
• Complete Top End Gasket Kit

• Piston Size: 78.95mm
• Displacement: 250cc
• Compression Ratio: 14.1:1
• Piston Type: Forged
• Compression Height: 18.70mm
• Piston Pin: Biconical
• Compatible with Athena Racing DLC Wrist Pin  #S41317088 (sold separately)