fits make: Harley, Davidson.

( Brand: Jims ), ( Manufacturer Part Number: JIMS857 ), ( Part Type: Head ), ( Country/region Of Manufacture: United States )
The Jims857 116 Base Big Davidson Harley Kit Head is an exceptional upgrade for your Harley-Davidson motorcycle. This kit head is designed to replace your original Harley engine head, providing a significant boost in performance and power.
Crafted from high-quality aluminum alloy, the Jims857 116 Base Big Davidson Harley Kit Head features a larger combustion chamber, which allows for a more efficient combustion process. This results in increased power output, with estimates suggesting a potential gain of up to 20 horsepower.
The kit head also features larger valves, which increase the volume of air and fuel that can be introduced into the combustion chamber. This, in turn, allows for a more complete burn, resulting in improved engine efficiency and reduced fuel consumption.
The Jims857 116 Base Big Davidson Harley Kit Head is also designed to improve engine cooling. The larger combustion chamber and larger valves can generate more heat, but the kit head includes larger coolant passages and a more efficient cooling system to keep the engine running at optimal temperatures.
Installation of the Jims857 116 Base Big Davidson Harley Kit Head is relatively straightforward, and the kit includes all the necessary hardware and instructions. The kit head is also designed to fit seamlessly with your existing Harley-Davidson engine, ensuring a smooth and hassle-free installation process.
Overall, the Jims857 116 Base Big Davidson Harley Kit Head is an excellent upgrade for any Harley-Davidson motorcycle owner looking to increase engine performance and power. Its high-quality construction, improved combustion efficiency, and enhanced cooling system make it a worthy investment for any Harley enthusiast.
Pros of buying a Jim's 857 116 base Big Davidson Harley kit head:1. Increased power: The Big Davidson kit head is designed to provide more power and torque compared to the stock head. This can result in improved performance and acceleration.
2. Customization: The kit head allows for customization, as you can choose the specific cams, valves, and other components to fit your specific needs and preferences.
3. Cost-effective: Compared to buying a completely new engine, buying a kit head can be a more cost-effective option for those looking to upgrade their Harley-Davidson's performance.
Cons of buying a Jim's 857 116 base Big Davidson Harley kit head:1. Installation: The kit head requires specialized tools and knowledge to install, which may require hiring a professional or purchasing additional equipment.
2. Potential compatibility issues: The kit head may not be compatible with all Harley-Davidson models, and there may be compatibility issues with other parts of the engine or bike.
3. Potential negative impact on fuel efficiency: The increased power and performance of the kit head may result in decreased fuel efficiency, which can increase operating costs over time.
Conclusion: If you are looking to upgrade the performance of your Harley-Davidson and are willing to invest the time and money required for installation and potential compatibility issues, the Jim's 857 116 base Big Davidson kit head can be a good option. However, it is important to thoroughly research the compatibility of the kit head with your specific Harley-Davidson model and consider the potential impact on fuel efficiency before making a purchase.
Recommendation: Before purchasing the Jim's 857 116 base Big Davidson kit head, I recommend consulting with a Harley-Davidson mechanic or expert to ensure compatibility and to get a better understanding of the installation process and potential costs. Additionally, consider researching other options for engine upgrades and performance enhancements to ensure you are making the best decision for your specific needs and preferences.
Head and base big bore gasket kit for Harley Davidson, new in original package. Retails for 58 P/N jms857.