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Upgrade your Harley-Davidson Twin Cam engine with the S&S CYCLE 910-0401 4.125 inch black cylinders, designed for optimal performance and durability. These cylinders feature a stock bolt pattern and are bored slightly under the nominal size, ensuring a precise fit for your rebuild or custom build. Made in the USA, they are engineered specifically for 124-inch hot setup kits used in Harley models from 1999 to 2017, providing reliable power and longevity. The wrinkle black finish with machined edges offers a sleek, professional look that complements any engine build.
These cylinders require crankcase machining to ensure proper installation and performance. Their construction ensures compatibility with high-performance applications, making them an excellent choice for enthusiasts seeking to enhance their motorcycle's capabilities. The design and manufacturing process adhere to strict quality standards, guaranteeing consistent performance and durability over time.
Whether you're performing a rebuild or customizing your Harley engine, these cylinders provide a solid foundation for your project. Their precise bore and high-quality finish make them a dependable choice for serious riders and mechanics aiming for optimal engine performance. Trust S&S CYCLE for innovative components that meet the demands of high-performance motorcycle builds.
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