Cylinder Works CW21014K01 Big Bore Cylinder Kit Compatible With/Replacement For Yamaha WR 450 F, YZ 450 FX 2021-2022, YZ 450 F 2020-2022 13.0:1 Compression Ratio, 99 mm Cylinder Diameter

**Verify the part fits before purchasing**Specs:Description: Big Bore Cylinder KitCompression Ratio: 13.0:1Cylinder Diameter: 99 mmCylinder Kit Type: Big BoreDisplacement: 470 ccEngine Type: 4-CycleIncludes: Cylinder, Piston Kit, and Top-End Gasket KitSize Over Standard: 2.00mmCompatible With/Replacement For: Yamaha WR 450 F 2021-2022; YZ 450 F 2020-2022; YZ 450 FX 2021-2022

• SUPERIOR SPECS & FUNCTION: Big Bore Cylinder Kit, Replaces OEM Numbers: Cylinder Works: CW21014K01
• OEM REPLACEMENT: 100% New Aftermarket Big Bore Cylinder Kit built to meet OEM specifications
• ENGINEER-TESTED EXCELLENCE: All of our wiring products go through a rigorous testing program developed by prestigious engineers to ensure optimal output and performance.
• MECHANICS CHOICE: Our key to success is selling parts that fit and perform like the originals, which is why beginner and professional mechanics make us their top choice. We offer electrical parts and motors for your car, electric lawn mower, truck, boat, PWC, motorcycle, ATV, tractor or virtually anything you ride or drive.
• HASSLE FREE GUARANTEE: 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. In the rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement.