Cylinder Works Standard Bore Cylinder Kit - 39.50mm Bore - CW50012K01

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders
Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise
Nickel Silicon Carbide plated for long life
Kits come complete with gaskets, cylinder, piston, rings, pin and clips