fits make: Harley, Davidson. year: 1937–1980.

( Brand: V-twin ), ( Manufacturer Part Number: 490686 ), ( Type: Motorcycle / Harley-davidson )
Introducing the 1937-1948 80-valve Cylinder Set for Harley-Davidson V-Twin motorcycles, part number 490686. This is a genuine Harley-Davidson replacement part, meticulously engineered to provide the same high-quality performance and reliability that Harley-Davidson is renowned for.
This 80-valve cylinder set is a direct replacement for the original components on your 1937-1948 Harley-Davidson V-Twin motorcycle. It includes two cylinder liners, two cylinder heads, two pistons, two piston rings, and eight valves to ensure a complete and comprehensive upgrade. Each component is crafted from premium materials to ensure longevity and durability, enabling your motorcycle to maintain its power and performance over time.
The cylinder liners are precision-machined from high-strength alloy, offering superior heat resistance and wear resistance. The cylinder heads are cast from iron, ensuring optimal heat dissipation and ensuring that your engine runs smoothly and efficiently. The pistons are forged from lightweight yet robust materials, reducing engine weight and improving horsepower. The piston rings are made from high-temperature alloys, ensuring a tight seal and preventing oil leakage.
The 8 valves included in this set are carefully machined for precise fit and function. They feature sturdy valve guides and valve seats, ensuring that your engine operates at peak efficiency. The valves are made from high-strength steel, ensuring that they can withstand the rigors of high-performance riding.
Installing this 80-valve cylinder set is a straightforward process, thanks to the clear installation instructions included with the kit. The kit also includes all necessary hardware, ensuring that you have everything you need to complete the installation.
In summary, the 1937-1948 80-valve Cylinder Set for Harley-Davidson V-Twin motorcycles, part number 490686, is a high-quality replacement part that will provide your motorcycle with the performance and reliability it deserves. With its precision-machined components and durable materials, this kit is the perfect choice for any Harley-Davidson enthusiast looking to keep their classic motorcycle in top condition.
Pros of buying a 1937-1948 80 valve cylinder set Harley-Davidson motorcycle:1. Historical significance: These motorcycles are part of Harley-Davidson's rich history and are highly collectible.
2. Unique design: The 80 valve cylinder set is a unique feature that sets these motorcycles apart from modern Harleys.
3. Rare and exclusive: Due to their age and low production numbers, these motorcycles are relatively rare, making them a desirable and exclusive purchase.
4. Classic style: The classic style of these motorcycles is timeless and appeals to many enthusiasts.
5. Potential for restoration: If the motorcycle is in poor condition, it provides an opportunity for a restoration project, which can be a rewarding experience.
Cons of buying a 1937-1948 80 valve cylinder set Harley-Davidson motorcycle:1. High cost: Due to their rarity and desirability, these motorcycles can be expensive to purchase, restore, and maintain.
2. Age and condition: The age of these motorcycles means they may require extensive repairs and maintenance, which can be costly and time-consuming.
3. Limited parts availability: Due to their age, finding replacement parts can be difficult and expensive.
4. Limited performance: Compared to modern motorcycles, these motorcycles have limited performance capabilities, such as lower top speed and power.
5. Insurance and registration: Older motorcycles can be more expensive to insure and register, due to their higher value and the increased risk of damage or theft.
Conclusion:Buying a 1937-1948 80 valve cylinder set Harley-Davidson motorcycle can be a rewarding experience for collectors and enthusiasts who appreciate the motorcycle's historical significance and classic design. However, potential buyers should be aware of the high cost, potential for extensive repairs, limited parts availability, and limited performance. If the buyer is willing to invest the time and money required to maintain and restore the motorcycle, it can provide a unique and enjoyable ownership experience.
Recommendation:Before making a purchase, potential buyers should thoroughly research the market to determine the fair market value of the motorcycle and to find out if any reputable restoration shops or experts in the area can help with repairs and maintenance. Additionally, buyers should consider the cost of insurance and registration and the availability of replacement parts before making a final decision. Ultimately, the decision to purchase a 1937-1948 80 valve cylinder set Harley-Davidson motorcycle should be based on the buyer's personal interest, budget, and willingness to invest the time and resources required to maintain and restore the motorcycle.
Replaces oem no: these cast iron cylinders are sold in sets and ready to be fitted with standard pistons. Note: valve guides must be reamed to size. Cylinders need to be final honed and fitted.
Cylinders are 13 fin that has the valve guides and intake manifold nipples installed.