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Upgrade your Yamaha engine with the CYLINDER WORKS 21003-K02 Big Bore Cylinder Kit designed for enhanced performance and durability. This comprehensive kit includes a cylinder, piston kit, and gaskets, providing everything needed for a complete overhaul. The cylinder maintains a stock appearance but features a nickel silicon carbide plating that ensures longer life and resistance to wear, making it suitable for high-performance applications. The kit is engineered for standard bore applications and does not require machine work for installation, simplifying the upgrade process. Matched with Vertex pistons, it ensures longevity, optimal performance, and reduced engine noise, making it an excellent choice for riders seeking reliable power increases. The included gaskets are designed for easy fitment, and replacement parts such as pistons, gaskets, and ring sets are available for ongoing maintenance. Please note that the top end gasket kit does not include valve stem seals, so additional components may be necessary depending on your specific needs.
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