Cylinder Works STD Bore 97mm Cylinder Kit Yamaha WR450F 16-18, YZ450F 14-17

Features:

• Ready-to-install, direct bolt-on cylinder require no re-plating and look virtually identical to the OEM cylinders
• Nickel silicon carbide-plated for long life
• Standard Bore Cylinder. 12.5:1 Comp. 97mm.
• Made in the U.S.A.