- 1984+ Big Twin 1.625 To 1 Ration Rocker Arm Assembly
Upgrade your Harley-Davidson Big Twin engine with the S&S Cycle 1984+ Big Twin 1.625 to 1 Ration Rocker Arm Assembly. Designed for models from 1984 onward, this rocker arm assembly enhances valve operation and improves engine performance. Crafted with precision, it ensures a reliable fit and optimal function for increased horsepower and smoother operation. The robust construction of this assembly helps withstand high-performance demands, making it suitable for both street and mild racing applications. Installation is straightforward for experienced technicians looking to optimize their engine's valvetrain components.
The S&S Cycle part number 900-4119FA features a 1.625 to 1 ratio, providing a significant upgrade over stock rocker arms. This ratio increase can contribute to improved airflow and better cylinder filling, resulting in enhanced power output. The assembly is made from high-quality materials that ensure durability and long-lasting performance. Whether you're rebuilding or upgrading, this rocker arm assembly is an excellent choice to maintain the integrity and performance of your Big Twin engine.
This part is not CARB approved but complies with general powersports standards, offering dependable performance without air freight restrictions. Built specifically for the needs of Harley-Davidson enthusiasts, this assembly helps unlock your engine’s potential while maintaining compatibility with your existing setup. Trust S&S Cycle’s reputation for quality and performance in every component you install.
Features:
- Designed for Harley-Davidson Big Twin models from 1984 and newer
- Ratio: 1.625 to 1 for improved valve operation and performance
- Constructed with high-quality durable materials
- Enhances engine horsepower and smoothness
- Easy to install for experienced technicians
