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The S&S CYCLE 320-0355 flywheel assembly is engineered for high performance and durability in Twin Cam engines from 1999 to 2006. Crafted from 4140 steel, these 3-piece flywheels feature an integral main shaft design that offers superior strength and reliability under demanding conditions. The larger 1.671-inch crankpin enhances torque transfer and overall engine stability, making it ideal for both stock and modified applications. Designed to fit directly into stock crankcases without the need for modifications, these flywheels provide a straightforward upgrade for your Harley-Davidson Twin Cam motorcycle. The assembly is supplied without a sprocket bearing race, designed specifically for use with a Timken bearing conversion, which is sold separately. This design flexibility allows for customized setups tailored to your riding style and performance preferences. Proudly made in the U.S.A., the S&S CYCLE flywheel assembly combines quality craftsmanship with high-performance features, ensuring reliable operation and long service life for your motorcycle engine.
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