






ATHENA
TOP END PISTON KIT; HONDA 250 CRF-R 22-23
Out of stock · stock as of Sep 3, 2026
Shipping calculated at checkout
30-day returns on unused parts
Details
*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--sticky-padding-top)" dir="auto" data-turn-id="98fccdea-156b-47b6-b20c-4040abff94f4" data-turn-id-container="98fccdea-156b-47b6-b20c-4040abff94f4" data-testid="conversation-turn-89" data-turn="user"> *]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]" dir="auto" data-turn-id="request-WEB:20c5d842-8a29-4db5-8b65-826eed827320-49" data-turn-id-container="request-WEB:20c5d842-8a29-4db5-8b65-826eed827320-49" data-testid="conversation-turn-90" data-turn="assistant"> 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)
Specs
- Vehicle
- Offroad
- Weight Lb
- 0.0
- Shipping Class
- standard


