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Upgrade your Yamaha YFZ350 with the ATHENA P400485100024 cylinder kit, designed for high performance and durability. This kit features an aluminum cylinder with a nickel carbide coating, providing excellent wear resistance and thermal stability for demanding riding conditions. The aluminum cylinder head includes a removable bronze dome, allowing for precise adjustments and maintenance. Equipped with high-performance, hard anodized power valves—these components are specially designed and cannot be substituted with OEM parts to ensure optimal engine performance. The kit also includes a comprehensive Athena top end gasket set, complete with the necessary seals and hardware to facilitate a proper and secure installation. The piston kit comprises a lightweight cast flat top piston, rings, clips, and pin, ensuring smooth operation and reliable power delivery. This assembly is engineered for enthusiasts seeking a robust upgrade that enhances engine efficiency and longevity. Designed for easy installation, it offers a seamless fit with your YFZ350 engine, providing a significant boost in performance for motocross, trail riding, or recreational use. Trust Athena's reputation for quality and precision engineering to deliver a durable, high-performance upgrade for your ATV. Whether rebuilding or enhancing your engine, this kit provides everything needed for a comprehensive overhaul with proven performance benefits.
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