Seller notes

Cylinder Works Standard Bore Cylinder Kit 12.5:1 #20003-K01 Yamaha WR450F/YZ450F Product Details Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OE cylindersCylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noiseNickel silicon carbide-plated for long lifeKits come complete with gaskets, cylinder, piston, rings, pin and clips Fit GuideModelStandard Bore Cylinder KitBore95mmCompression Ratio12.5:1 P...

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