fits make: Harley.

( Brand: Harley Davidson ), ( Manufacturer Part Number: 120-381 ), ( Part Type: Cylinder ), ( Placement On Vehicle: Right )
The 120-381 Davidson Harley-Davidson Flathead Rear Ultra-Lite (ULH) Cylinder is an essential component for any classic Harley-Davidson enthusiast. This cylinder is specifically designed for Harley-Davidson flathead engines from the years 1937 to 1948, making it a valuable addition to any restoration project or vintage Harley-Davidson.
The 120-381 Davidson Harley-Davidson Flathead Rear Ultra-Lite Cylinder is crafted with precision and attention to detail. It features a high-quality cast iron construction, ensuring durability and reliability. The cylinder is designed to provide optimal performance, offering excellent heat dissipation to prevent overheating and maintain engine efficiency.
The cylinder's bore size is 3.625 inches, and it has a stroke length of 3.8125 inches. This size is ideal for the specific Harley-Davidson models it is compatible with, ensuring a perfect fit and seamless integration into your engine.
The 120-381 Davidson Harley-Davidson Flathead Rear Ultra-Lite Cylinder is also equipped with a high-compression piston and a well-designed cylinder head. These features contribute to improved combustion efficiency, resulting in increased power output and better fuel efficiency.
The cylinder is easy to install, thanks to its straightforward design and clear installation instructions. It also comes with all necessary hardware, making the installation process hassle-free.
In conclusion, the 120-381 Davidson Harley-Davidson Flathead Rear Ultra-Lite Cylinder is a high-quality, reliable, and performance-enhancing component for your classic Harley-Davidson. It is a must-have for any Harley-Davidson enthusiast looking to restore their vintage bike or improve its performance.
Pros of buying a 120-381 Davidson Harley-Davidson flathead rear ulh cylinder (37-48):1. Authenticity: These engines are original parts from a classic Harley-Davidson model, which can add to the charm and value of your vintage motorcycle.
2. Durability: Flathead engines are known for their simplicity and robustness, making them reliable and long-lasting.
3. Availability of parts: Due to their popularity, replacement parts are readily available, which can make repairs and maintenance more manageable.
4. Iconic design: The flathead engine has a distinctive look, and owning one can be an attractive feature for collectors and enthusiasts.
Cons of buying a 120-381 Davidson Harley-Davidson flathead rear ulh cylinder (37-48):1. Performance limitations: Flathead engines are not as powerful as modern engines, which may affect the performance of your motorcycle.
2. Maintenance requirements: While the engines are simple, they require regular maintenance to keep them running smoothly.
3. Limited compatibility: The engine may not be compatible with newer motorcycles or aftermarket parts, which can limit customization options.
4. Higher cost: Due to their rarity and desirability, these engines can be more expensive than modern alternatives.
Conclusion:If you are a classic motorcycle enthusiast with a passion for Harley-Davidson's history, a 120-381 Davidson Harley-Davidson flathead rear ulh cylinder (37-48) can be a great addition to your collection. However, consider the limitations of its performance and compatibility before making a purchase. Ensure you have the skills and resources to maintain the engine properly and are willing to pay a premium for its vintage appeal.
Recommendation:For those looking to add a classic Harley-Davidson engine to their vintage motorcycle, the 120-381 Davidson flathead rear ulh cylinder (37-48) can be an excellent choice. However, it is essential to thoroughly research the engine's compatibility and performance expectations, as well as the associated costs, before making a purchase.
There is a small hole blown through the cylinder wall, so it will need to be sleeved. Up for sale is an oem rear cylinder for Harley flathead ul and ulh model's. It is in good condition, there are two chipped fins, there is one fin with a weld repair.