S&S Cycle 2007+ BT B-Style 4-3/8in Stroke Flywheel Assembly w/ Sprocket Shaft - Performance Pistons

If you're looking to build a more powerful engine for your Harley-Davidson Big Twin, starting with a solid foundation is key. This S&S Cycle B-Style flywheel assembly, with its 4-3/8 inch stroke, is designed to give your engine more displacement and torque potential. It's built for internally balanced Big Twin models from 2007 and later, and it's specifically intended for use with performance pistons to maximize your build's capabilities.

This assembly includes the sprocket shaft and a bearing race, providing a well-built core for your engine's rotating assembly. The 4-3/8 inch stroke is a notable increase over stock, which directly translates to more cubic inches and a significant boost in low-end torque and overall power delivery. S&S Cycle is well-known for its performance engine components, and this flywheel assembly is a testament to that reputation, offering a robust option for those serious about engine performance. Proper balancing is crucial for these assemblies, and this unit is designed for internally balanced applications, simplifying the setup process for many builders.

When undertaking an engine build of this magnitude, it's important to ensure all components are compatible and installed correctly. This flywheel assembly is a critical piece for increasing engine size and power. Always refer to the manufacturer's installation instructions for detailed guidance on assembly, balancing, and integration with other engine components to achieve the best results for your performance build.