S&S Cycle offers complete big-bore cylinder and piston engine kits designed for specific Harley-Davidson and Royal Enfield platforms. The product line includes High-Compression 136" and 132" Big Bore Cylinder Kits for Milwaukee-Eight engines, as well as 106" Twin Cam Kits. Additionally, the catalog features kits for Royal Enfield 750 and 865 models, providing authentic S&S Cycle components for these distinct engine configurations.
The available hardware encompasses Super Stock CNC-machined cylinder heads alongside the aforementioned cylinder and piston assemblies. These parts are categorized under hard parts, specifically pistons and big bore kits, and are manufactured by S&S Cycle to support the specified displacement upgrades for the listed motorcycle models.