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  4. S&S 117CI BIG BORE CYLINDER KITS

S&S 117CI BIG BORE CYLINDER KITS

3 products

Wide selection of S&S-designed 117 cubic inch (117ci) big bore cylinder kits for Harley-Davidson engines. Each kit includes cylinders, pistons, rings, and necessary gaskets for engine displacement expansion. These components are optimised to enhance torque and power in high-performance builds.

About this category

Compatible with Evolution, Twin Cam, and Milwaukee Eight engine families, widely used in Touring, Softail, Dyna, and Sportster models. Ideal for customisation and engine preparation projects, these kits increase intake and combustion capacity, ensuring reliable and durable operation under high mechanical stress.

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