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The S&S Cycle Performance Replacement Head for Evolution Big Twin engines is a fully assembled component designed to enhance engine performance and efficiency. Featuring stainless steel valves and high-lift springs, this head is built for durability and reliable operation. Its optimized port design increases airflow while maintaining velocity, ensuring improved power output and throttle response. Suitable for smaller displacement engines, it is compatible with stock-style flat-top pistons, making it an ideal upgrade for enthusiasts seeking enhanced performance without extensive modifications.
This head is set up for a maximum lift of .585 inches, allowing for increased valve movement and airflow, which contributes to better engine breathing and overall performance. The design is EFI compatible, supporting modern fuel injection systems for precise fuel delivery and optimal combustion. Made in the USA, this component guarantees quality craftsmanship and consistent performance standards. Please note that intake manifold and gasket kits are sold separately, allowing you to customize your setup for specific application needs.
Whether you are building a performance-oriented motorcycle or seeking reliable power gains, the S&S Cycle 106-3466 head offers a comprehensive solution for your Evolution Big Twin engine. Its straightforward installation, combined with high-quality materials and design features, makes it a popular choice among professional builders and hobbyists alike. Trust in S&S Cycle’s reputation for delivering high-performance motorcycle components that meet rigorous standards and deliver long-lasting results.
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