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The ATHENA P400510100002 cylinder kit is designed for high-performance applications on models like KLX/KFX400, DRZ/LTZ400, and DVX400. Crafted with an aluminum cylinder featuring a nickel-carbide coating, this kit ensures enhanced durability and resistance to wear, making it ideal for demanding riding conditions. The kit includes a larger water jacket design that improves cooling efficiency, helping maintain optimal engine temperatures during extended use. Its specially designed, high-performance hard anodized power valves are engineered to deliver superior airflow and combustion efficiency, although they are not compatible with OEM parts. The forged piston is coated with molybdenum, providing increased strength and reducing friction for improved engine longevity and performance. Please note, this kit does not include a cylinder head, so it is intended for use with existing head assemblies or those purchased separately. Engineered for enthusiasts seeking reliable power and durability, this kit offers a significant upgrade to your ATV's engine components, providing the foundation for improved horsepower and overall engine efficiency.
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