S&S CYCLE Performance Replacement Head - High Compression 76 cc - Wrinkle Black for Evolution Big Twin 106-6064

Performance Replacement Head - High Compression (76 cc) - Wrinkle Black - Evolution Big Twin The S&S CYCLE 106-6064 Performance Replacement Head is engineered for high-performance applications on Evolution Big Twin engines. Fully assembled, this head features stainless steel valves and high-lift springs, ensuring durability and reliable operation under demanding conditions. Designed specifically for smaller displacement engines, it offers optimized port geometry that increases airflow while maintaining velocity, which enhances power output and throttle response. The head is compatible with stock-style flat-top pistons and is set up for a maximum lift of .585 inches, making it suitable for aggressive cam profiles and high-lift applications. Its EFI compatibility allows seamless integration into modern fuel-injected systems, providing precise fueling and improved efficiency. Made in the USA, this high compression head delivers quality craftsmanship and performance reliability. Please note that intake manifold and gasket kits are sold separately, allowing you to customize your setup for optimal performance. Whether you're rebuilding or upgrading, this product provides a significant boost in power and efficiency for your Evolution Big Twin engine. Features: Fully assembled head with stainless steel valves and high-lift springs for durabilityOptimized port design increases airflow while maintaining velocitySet up for .585 inches maximum lift suitable for high-performance cam profilesCompatible with stock-style flat-top pistons for easy installationEFI compatible for seamless integration with modern fuel systemsMade in the USA ensuring quality craftsmanship