fits model: Touring, Fxr, Softail. make: Harley. year: 1992–1999.

( Brand: S-s Cycle ), ( Manufacturer Part Number: 5590634 ), ( Part Type: Cylinder Head )
The 6690634 92-99 Harley-Davidson Evolution 1340 Cylinder Heads are specifically designed for Touring Softail and Cycle FXR models from the aforementioned years. These cylinder heads are an essential upgrade for any enthusiast looking to enhance the performance of their Harley-Davidson motorcycle.
The Evolution 1340 Cylinder Heads are crafted with precision and quality, featuring a high-compression design that increases the overall power output of your engine. The heads are equipped with a 4-valve per cylinder configuration, which improves air and fuel flow, resulting in more efficient combustion and a smoother, more powerful ride.
The cylinder heads are also engineered with a high-flow intake and exhaust port design, which reduces engine heat and increases the volume of air and fuel that can be introduced into the cylinders. This leads to improved engine efficiency, reduced fuel consumption, and an overall improvement in engine performance.
The 6690634 92-99 Harley-Davidson Evolution 1340 Cylinder Heads are made from premium cast aluminum, ensuring they are lightweight yet robust enough to withstand the rigors of regular use. The heads are also finished with a durable black powder coat, which not only enhances their aesthetic appeal but also provides an additional layer of protection against corrosion and wear.
Installing the 6690634 92-99 Harley-Davidson Evolution 1340 Cylinder Heads is a straightforward process, and they are compatible with most aftermarket intake and exhaust systems. With these cylinder heads, you can expect improved engine performance, increased power output, and a more satisfying ride from your Harley-Davidson Touring Softail or Cycle FXR.
Pros of buying 6690634 92-99 Harley-Davidson Evolution 1340 Cylinder Heads for Touring Softail FXR:1. Enhanced Performance: The 1340 cylinder heads offer improved combustion efficiency, which results in increased horsepower and torque. This can provide a smoother and more powerful riding experience.
2. Improved Heat Management: The cylinder heads are designed to improve heat management, reducing the risk of overheating and ensuring consistent performance even during long rides.
3. Upgrade Compatibility: These cylinder heads are compatible with a wide range of Harley-Davidson models, making it a versatile upgrade option for many riders.
Cons of buying 6690634 92-99 Harley-Davidson Evolution 1340 Cylinder Heads for Touring Softail FXR:1. Cost: The cylinder heads and the installation process can be expensive. Riders should ensure they have a budget for this upgrade and consider the potential resale value of their Harley-Davidson if they decide to sell it in the future.
2. Installation Complexity: Installing these cylinder heads can be a complicated process, especially for those without mechanical experience. It's recommended to hire a professional mechanic or follow detailed instructions to avoid any damage to the engine.
3. Potential Compatibility Issues: While these cylinder heads are compatible with a wide range of Harley-Davidson models, it's essential to confirm compatibility with the specific FXR model before making a purchase.
Conclusion:The 6690634 92-99 Harley-Davidson Evolution 1340 Cylinder Heads for Touring Softail FXR offer improved performance and heat management, making it an appealing upgrade option for many Harley-Davidson enthusiasts. However, the high cost, installation complexity, and potential compatibility issues should be considered before making a purchase. If riders are comfortable with these factors and are looking to enhance their Harley-Davidson's performance, this upgrade can be an excellent investment.
Recommendation:Before purchasing, riders should research the product thoroughly, confirm compatibility with their FXR model, and weigh the pros and cons. If unsure about installation, it's recommended to hire a professional mechanic to ensure a smooth and successful upgrade. Additionally, riders should consider the potential resale value of their Harley-Davidson and budget accordingly.
All parts were inspected, of the guides good, both intake valves, one exhaust valve and seals replaced. The heads are ported, intake ports were polished. The valves were resented and heads reassembled. Up for sale is a set ifs cylinder heads Harley evolution 1340 model's.
They came from a 96 inch engine. They are in good condition, the heads were disassembled, cleaned and carbonized.