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S&S CYCLE Performance Replacement Head for Evolution Big Twin 106-4570 - Low Compression 82 cc Wrinkle Black
Regular price $1,559.95 USD
Category:
Performance Replacement Head - Low Compression (82 cc) - Wrinkle Black - Evolution Big Twin
Upgrade your Evolution Big Twin motorcycle with the S&S CYCLE Performance Replacement Head, part number 106-4570. Designed specifically for improved performance, this head features fully assembled construction with stainless steel valves and high-lift springs, ensuring durability and reliable operation. Optimized for smaller displacement engines, it is compatible with stock-style flat-top pistons, making it an excellent choice for riders seeking enhanced efficiency without major modifications. The port design increases airflow while maintaining velocity, contributing to better combustion and overall engine performance. Set up for a maximum lift of .585 inches, this head is EFI compatible, supporting modern fuel injection systems for seamless integration. Made in the USA, this component ensures high-quality craftsmanship and reliable performance. Please note that the intake manifold and gasket kits are sold separately, allowing customization based on your specific setup.
Features:
- Fully assembled with stainless steel valves and high-lift springs for durability
- Optimized for smaller displacement engines to improve efficiency
- Compatible with stock-style flat-top pistons for easy installation
- Port design increases airflow while maintaining velocity for better performance
- Set up for a maximum lift of .585 inches, ideal for performance tuning
- EFI compatible, supporting modern fuel injection systems
- Made in the USA with high-quality craftsmanship





