Motorcycle Engine & Performance Parts

Motorcycle Engine & Performance Parts

Make more power and keep your engine healthy. Shop S&S Cycle long block engines, power packs, cams, heads, pistons, carburetors and air cleaners, Feuling cams, oil pumps and valvetrain parts, Arlen Ness air cleaners and engine covers, and ThunderMax ECMs for Harley-Davidson and other V-twins.

Power Upgrades

Start with a high-flow air cleaner and performance cams, then support them with lifters and pushrods, valve springs, oiling upgrades and fuel tuning. Building big? Shop engines and big bore kits, heads and cylinders, pistons and rings, flywheels and cases and gasket kits.

Find Parts That Fit

Engine parts are specific to your engine platform and year. Use the bike search or the Engine filter, and check the fitment chart on each product before you order.