fits make: Harley, Davidson. year: 1937–1974.

( Brand: V-twin ), ( Manufacturer Part Number: 490685 ), ( Type: Motorcycle / Harley-davidson )
Introducing the 1937-1939 VL 74 Valve Cylinder Set, an essential component for Harley-Davidson V-twin motorcycles. This set is identified by the part number 490685 and is a testament to the enduring quality and craftsmanship that Harley-Davidson is renowned for.
The VL 74 Valve Cylinder Set is designed for Harley-Davidson motorcycles from the years 1937 to 1939. Each cylinder is meticulously crafted to provide optimal performance and durability. The cylinders feature a 74mm bore, ensuring a powerful and responsive engine.
The set includes two cylinders, each with a precision-machined head that houses the intake and exhaust valves. The 74mm intake valves and 67mm exhaust valves are engineered for optimal air and fuel intake and exhaust, resulting in improved engine performance and efficiency.
The cylinders are made from high-quality cast iron, ensuring strength and resistance to heat and wear. The cylinder walls are honed to a mirror finish, ensuring a perfect seal with the pistons for optimal engine compression and power.
The VL 74 Valve Cylinder Set also includes hardened steel valve guides, which provide a secure and smooth fit for the valves, ensuring proper valve function and engine performance. The set also includes new piston rings, ensuring a tight seal between the pistons and cylinder walls for improved engine efficiency and reduced oil consumption.
Installing the VL 74 Valve Cylinder Set is straightforward, with clear installation instructions provided. The set is compatible with Harley-Davidson V-twin motorcycles from 1937 to 1939, including the EL, FL, and VL models.
In conclusion, the 1937-1939 VL 74 Valve Cylinder Set is a high-quality replacement component for Harley-Davidson V-twin motorcycles. The set includes two cylinders, precision-machined intake and exhaust valves, hardened steel valve guides, and new piston rings. Installing the set is straightforward, and it is compatible with Harley-Davidson V-twin motorcycles from 1937 to 1939. With the VL 74 Valve Cylinder Set, you can restore your Harley-Davidson motorcycle to its former glory and ensure superior engine performance for years to come.
Pros of buying a 1937-1939 VL 74 valve cylinder set for a Harley-Davidson motorcycle:1. Historical significance: The VL 74 is a classic model that was produced during Harley-Davidson's early years. Owning a part of this history can be a rewarding experience for collectors and enthusiasts.
2. High-quality construction: The VL 74 cylinders were built to last, with heavy-duty materials and robust construction. If properly maintained, they can provide reliable performance for many years.
3. Potential for restoration: If the cylinders are in poor condition, they can be a great opportunity for a restoration project. Restoring a classic motorcycle can be a satisfying and rewarding hobby.
Cons of buying a 1937-1939 VL 74 valve cylinder set for a Harley-Davidson motorcycle:1. Availability and cost: Finding original VL 74 cylinders in good condition can be challenging and expensive, as they are an older model and parts may be hard to come by.
2. Compatibility issues: It's important to ensure that the cylinders are compatible with your specific Harley-Davidson model and year. Incorrectly installed cylinders can cause damage to other parts of the engine.
3. Maintenance and repair costs: Older engines, like the VL 74, may require more frequent maintenance and repairs than newer models. This can add up over time and make owning a classic motorcycle more expensive.
Ending conclusion:If you are a collector or enthusiast of classic Harley-Davidson motorcycles, a 1937-1939 VL 74 valve cylinder set can be a great addition to your collection. However, it's important to consider the potential challenges and costs associated with owning and restoring an older engine. If you are willing to put in the time, effort, and financial investment, a classic Harley-Davidson engine like the VL 74 can be a rewarding and satisfying hobby.
Recommendation:Before making a purchase, do your research and ensure that the cylinders are in good condition and compatible with your specific Harley-Davidson model. Consider joining a classic motorcycle club or forum to connect with other enthusiasts and learn more about the VL 74 and other classic Harley-Davidson models. It's also a good idea to have the cylinders inspected by a professional mechanic before installing them in your motorcycle to ensure that they are safe and ready for use.
Cylinders are 13 fin that has the valve guides and intake manifold nipples installed. Replaces oem no: these cast iron cylinders are sold in sets and ready to be fitted with standard pistons. Fits: vl cylinders need to be final honed and fitted. Note: valve guides must be reamed to size.