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S&S CYCLE Performance Replacement Head 106-3466 for Evolution Big Twin 82cc, Low Compression, Natural Finish
Regular price $1,559.95 USD
Category:
Performance Replacement Head - Low Compression (82 cc) - Natural - Evolution Big Twin
The S&S CYCLE Performance Replacement Head part number 106-3466 is designed to enhance the performance of Evolution Big Twin engines with a low compression 82 cc chamber. Fully assembled, this head features stainless steel valves and high-lift springs, ensuring durability and reliable operation under demanding conditions. Its port design increases airflow while maintaining velocity, promoting better engine breathing and overall power output. Set up for a maximum lift of .585 inches, it is optimized for smaller displacement engines and is compatible with stock-style flat-top pistons, making it a versatile upgrade for various builds. Manufactured in the USA, the head is EFI compatible, allowing seamless integration with electronic fuel injection systems. Please note that intake manifold and gasket kits are sold separately, providing flexibility for custom setups and preferences. This component is ideal for riders and builders seeking to improve engine efficiency and power without extensive modifications, offering a straightforward upgrade path for Evolution Big Twin applications.
Features:
- Fully assembled with stainless steel valves and high-lift springs
- Optimized port design to increase airflow while maintaining velocity
- Set up for .585 inch maximum lift for high-performance tuning
- Compatible with stock-style flat-top pistons for versatile application
- EFI compatible for modern fuel injection systems
- Made in the USA ensuring quality and craftsmanship





