The CYLINDER WORKS Big Bore Cylinder Kit is a complete assembly that includes the cylinder, piston kit, and gaskets, designed to require no machine work for installation. The cylinder features a nickel silicon carbide plating intended to extend component life and maintains a visual appearance identical to the stock unit. This kit is available in standard bore, standard bore high compression, and Big Bore configurations, with the top end gasket kit excluding valve stem seals.
The kit utilizes Vertex pistons matched to the cylinder to ensure longevity, performance, and reduced engine noise. For maintenance or specific upgrades, replacement pistons, gaskets, and ring sets are available separately. A replacement cylinder is also offered for standard bore applications, providing a direct fit option for riders seeking to maintain OEM aesthetics while upgrading internal components.