fits make: Triumph. year: 1938–1939.

( Manufacturer Part Number: E1454 ), ( Part Type: Head Cylinder ), ( Surface Finish: Cast Iron ), ( Country/region Of Manufacture: United Kingdom )
The 1938-1939 Head Cylinder 5T, part number E1454, is an essential component for any vintage Triumph motorcycle enthusiast. This iron cast cylinder, manufactured during the iconic pre-war era of motorcycling, is a testament to the enduring craftsmanship and engineering excellence of the Triumph brand.
The cylinder, measuring approximately 10 inches in length and 3.5 inches in diameter, is designed to house the engine's combustion chamber, where the transformation of fuel into mechanical energy takes place. The cylinder's 5T designation refers to its five main bearings, which provide superior support and stability to the engine, ensuring smooth and reliable operation.
The cylinder is made of heavy-duty iron cast material, which not only provides excellent heat dissipation properties but also ensures durability and longevity. The cylinder head, attached to the top of the cylinder, is equipped with inlet and exhaust valves, as well as valve guides, which control the flow of air and fuel into the engine for combustion.
The 1938-1939 Head Cylinder 5T, E1454, is a direct replacement for original Triumph E-series motorcycles, such as the Triumph Speed Twin or the Triumph 3T. It is suitable for both road use and racing applications, making it an indispensable addition to any classic Triumph enthusiast's toolkit.
In conclusion, the 1938-1939 Head Cylinder 5T, E1454, is more than just a replacement part. It is a piece of motorcycling history, a symbol of engineering prowess, and a testament to the enduring legacy of the Triumph brand.
Pros of buying a 1938-1939 Head Cylinder 5T Iron Cast Triumph E1454:1. Authenticity and Historical Value: These vintage motorcycle parts have a rich history and can be a great addition to any classic motorcycle collection.
2. Durability: Iron cast parts are known for their strength and long-lasting durability, which can be a significant advantage in motorcycle components.
3. Potential for Restoration: If the cylinder is in good condition, it could be an excellent opportunity for a restoration project, providing a sense of accomplishment and satisfaction.
Cons of buying a 1938-1939 Head Cylinder 5T Iron Cast Triumph E1454:1. Compatibility Issues: Due to the age and specificity of the part, finding a compatible match for your motorcycle might be challenging.
2. Limited Availability: Vintage parts like this can be hard to find, which may require more time and effort in sourcing.
3. Cost: Given their rarity and desirability, such parts can be quite expensive, especially when considering the cost of shipping or transportation.
4. Potential for Unexpected Repairs: Older parts often come with their share of hidden issues, which could lead to additional costs.
Conclusion: If you're a collector or a restoration enthusiast, the historical value and potential for restoration could make the 1938-1939 Head Cylinder 5T Iron Cast Triumph E1454 an attractive purchase. However, consider carefully the potential compatibility issues, availability, and costs involved. Make sure you have a clear understanding of what you're getting into before making your decision.
Recommendation: If you're looking for a functional, cost-effective solution, it might be more practical to consider modern aftermarket parts or replicas. They can offer comparable durability and performance while avoiding the challenges associated with vintage components. However, if you're committed to the classic appeal and enjoy the challenge of working with authentic, historic parts, then the 1938-1939 Head Cylinder 5T Iron Cast Triumph E1454 could be an exciting addition to your project.
Also, the valve seats have not been deeply ground. I am basing my determination on the casting number on the head E1454, and the fact that it is the part for the head for that model and years. This head is in very good condition, with no bent, broken or cracked cooling fins, and only one suspect thread at the right side intake rocker box corner.
The combustion chamber measures out as correct for a 500cc bore, assuming that the cylinder was a spigot ed style. This used cast iron cylinder head, to the best of my knowledge, fits the 1938 and 1939 Triumph 5t 500cc twins.