Cylinder Works Big Bore Cylinder Kit - 21003-K02 - 2009-2017 Yamaha YFZ450, and YFZ450X

Cylinder Works Big Bore Cylinder Kit - 21003-K02 - 98mm/+3.0mm 12.0:1 - 2009-2017 Yamaha YFZ450, YFZ450X Feel the Yamaha YFZ450's True Potential with the Cylinder Works Big Bore Cylinder Kit Take your 2009-2017 Yamaha YFZ450 or YFZ450X to the next level with the Cylinder Works Big Bore Cylinder Kit (21003-K02). This complete, ready-to-install kit includes a custom 98mm big bore cylinder, matched Vertex pistons, and all necessary gaskets for a seamless upgrade that requires no machine work. Key Features: Direct Bolt-On: Installs easily with no re-plating required. Nickel Silicon Carbide Plated: Ensures extended cylinder life and durability. Vertex Pistons: Optimized for maximum performance, longevity, and reduced engine noise. Complete Kit: Includes cylinder, piston, rings, pin, clips, and gaskets for a hassle-free upgrade. Made in the USA: Supports domestic manufacturing and ensures top-notch quality. Don't settle for stock. Unlock your Yamaha YFZ450's true potential with the Cy