Upgrade and refresh your 4-stroke top end with this Cylinder Works big bore kit—built as a direct bolt-on solution with long-life Nikasil (Nickel Silicon Carbide) plating. It includes a matched Vertex piston for strong performance and reduced engine noise.
Restore power and add displacement with this Cylinder Works big bore top-end kit—designed to install like OEM while delivering a fresh, durable cylinder surface. The cylinder is Nickel Silicon Carbide (Nikasil) plated for excellent wear resistance and long service life, and the kit includes a matched Vertex piston to help ensure longevity, strong performance and reduced engine noise.
If your top end is worn, noisy or losing compression, this kit provides a complete, ready-to-install solution so you can get back to reliable running without the hassle of re-plating or additional machine work.
