Cylinder Works Standard Bore High Compression Cylinder Kit for 4-stroke 450cc engines, built for a direct bolt-on install and strong, reliable performance. Nikasil (nickel-silicon carbide) plated cylinder with a matched Vertex piston helps reduce noise and extend service life.
The Cylinder Works Standard Bore High Compression Cylinder Kit is a ready-to-install top-end solution designed to restore (and upgrade) performance on a 4-stroke 450cc engine without the hassle of re-plating. Because the cylinder is a direct bolt-on and made to closely match the OEM look and fit, it’s an ideal choice when you want a clean, dependable rebuild with an added performance edge from higher compression.
With a matched Vertex piston and a durable nickel-silicon carbide (Nikasil) plated bore, this kit is built for longevity, consistent sealing and reduced engine noise—helping your bike run strong and feel crisp under load. Everything you need for a top-end refresh is included, saving time and helping ensure correct component pairing.