fits model: Fxr, Evo, Screamin, Eagle. make: Eagle, Harley.

( Brand: Harley-davidson ), ( Manufacturer Part Number: 16840-98A ), ( Part Type: Cylinder Head ), ( Country/region Of Manufacture: United States )
The 16840-98A Harley-Davidson Evolution Evo Screamin' Eagle Cylinder Heads are a significant upgrade for your FXR model. These cylinder heads are designed to boost the performance of your motorcycle, providing a more powerful and thrilling riding experience.
Each cylinder head is meticulously crafted with a 64cc combustion chamber, which is larger than the standard Harley-Davidson Evolution cylinder head. This increased capacity allows for a more efficient combustion process, resulting in improved power output and torque. The cylinder heads also feature a 2.000-inch intake and 1.600-inch exhaust valves, which are larger than the stock parts. This increase in valve size enhances the flow of air and exhaust gases in and out of the cylinders, further contributing to the engine's performance.
The 16840-98A Harley-Davidson Evolution Evo Screamin' Eagle Cylinder Heads are made from high-quality aluminum alloy, ensuring durability and lightweight construction. The heads are finished with a sleek, polished appearance, and they come complete with new valve springs, retainers, and guides for easy installation.
Installing these cylinder heads on your FXR model is a straightforward process, thanks to the included installation instructions. The upgrades provide a noticeable improvement in engine performance, with smoother throttle response, increased horsepower, and improved fuel efficiency.
In conclusion, the 16840-98A Harley-Davidson Evolution Evo Screamin' Eagle Cylinder Heads are an excellent upgrade for any FXR model. They offer improved performance, enhanced durability, and a sleek, polished appearance. With their larger combustion chambers, larger valves, and high-quality construction, these cylinder heads are a must-have for any Harley-Davidson enthusiast looking to optimize their FXR's performance.
pros of buying 16840-98a Harley-Davidson Evolution Evo Screamin' Eagle Cylinder Heads FXR 16839-98a:1. Improved Performance: The Evo Screamin' Eagle cylinder heads are designed to provide increased power and torque, which can enhance the overall performance of your Harley-Davidson FXR.
2. Enhanced Engine Efficiency: These cylinder heads are known for improving engine efficiency, which can lead to better fuel economy and reduced exhaust emissions.
3. High-Quality Materials: The cylinder heads are made from high-quality materials, such as cast aluminum, which ensures long-lasting durability and resistance to corrosion.
4. Easy Installation: The cylinder heads are designed to fit easily into your Harley-Davidson FXR engine, which can save you time and money on installation costs.
cons of buying 16840-98a Harley-Davidson Evolution Evo Screamin' Eagle Cylinder Heads FXR 16839-98a:1. High Cost: The Evo Screamin' Eagle cylinder heads are not cheap, and the cost of replacing your original cylinder heads with these can be significant.
2. Potential Engine Modifications: Depending on your Harley-Davidson FXR model, installing these cylinder heads may require additional engine modifications, which can add to the overall cost and complexity of the project.
3. Risk of Damage: While the Evo Screamin' Eagle cylinder heads are high-quality, there is always a risk of damage during installation or operation, which can result in additional repair costs.
Conclusion:If you are looking to enhance the performance and efficiency of your Harley-Davidson FXR, and you are willing to invest in high-quality parts, then the 16840-98a Harley-Davidson Evolution Evo Screamin' Eagle Cylinder Heads FXR 16839-98a can be a great choice. However, it is important to note that these cylinder heads are not cheap, and the installation process may require additional engine modifications. Therefore, it is recommended to carefully consider your budget and the specific needs of your Harley-Davidson FXR before making a purchase decision. Ultimately, if you are willing to make the investment, the Evo Screamin' Eagle cylinder heads can provide significant performance benefits and improve the overall enjoyment of your Harley-Davidson riding experience.
For your buying consideration today is a set of Harley Davidson Evolution Screamin' Eagle cylinder heads. They are used and assume need rebuild.