TRIUMPH 30783 Cylinder Head Up TR250

( Manufacturer Part Number: 30783 ), ( Type: Cylinder Head ), ( Oe/oem Part Number: 516323 )

Review TRIUMPH Cylinder Head Early Model Years Up To fits TR6 1972

Introducing the Triumph 30783 cylinder head, a high-performance upgrade specifically designed for the Triumph TR6 and TR250 models manufactured in 1972. This cylinder head is not an OEM (original equipment manufacturer) part but a top-tier aftermarket component that delivers exceptional power, durability, and reliability.

The Triumph 30783 cylinder head boasts increased flow rates in the intake and exhaust ports, thanks to its larger valves and more aggressive port design. This translates to improved air and fuel mixture delivery to the combustion chamber, resulting in enhanced engine power and torque. The head is also equipped with a more efficient combustion chamber design, allowing for better fuel economy and a smoother idle.

This cylinder head is machined to the highest precision to ensure a perfect fit and function. The surface finishes are uniform and smooth, providing an excellent base for a high-performance cylinder head gasket. The head also features upgraded valve guides and seats, ensuring long-lasting performance and minimal leakage.

The Triumph 30783 cylinder head is designed to work with standard ignition systems, but it also supports the installation of performance ignition components, such as high-performance spark plugs and upgraded ignition coils. This allows for even more power gains and improved engine response.

In conclusion, the Triumph 30783 cylinder head is a must-have upgrade for any Triumph TR6 or TR250 owner looking to extract maximum performance from their engine. With its larger valves, aggressive port design, and precision machining, this cylinder head delivers increased power, improved fuel economy, and enhanced engine reliability. Upgrade today and experience the difference!

Triumph TR6/TR250 Cylinder Head Upgrade (Triumph 30783) - Pros, Cons, and Conclusion

The Triumph TR6 and TR250 are classic British sports cars known for their distinctive style and character. A common performance upgrade for these vehicles is the installation of a high-performance cylinder head, such as the Triumph 30783. In this article, we will discuss the pros and cons of buying and installing a Triumph 30783 cylinder head upgrade for your TR6 or TR250.

1. Improved Performance: The Triumph 30783 cylinder head offers increased power and torque, resulting in improved overall performance. This upgrade can make your TR6 or TR250 feel more responsive and lively.

2. Better Thermal Efficiency: The 30783 cylinder head design incorporates larger valves and improved porting, which can lead to better thermal efficiency and improved fuel economy.

3. Enhanced Durability: The upgraded cylinder head is known for its increased durability and reliability compared to the standard TR6/TR250 heads. This can lead to longer engine life and reduced maintenance costs.

1. Cost: The Triumph 30783 cylinder head upgrade can be quite expensive, especially when considering the cost of the head itself, as well as the labor and associated parts required for installation.

2. Complex Installation: Installing a new cylinder head on a TR6 or TR250 is a complex and time-consuming process. It requires a significant amount of mechanical expertise and specialized tools.

3. Potential Compatibility Issues: While the 30783 cylinder head will fit on most TR6 and TR250 models, there are some potential compatibility issues to consider. For example, some engines may require additional modifications to work properly with the upgraded head.

The Triumph 30783 cylinder head upgrade offers several advantages for TR6 and TR250 owners, including improved performance, better thermal efficiency, and enhanced durability. However, the high cost and complex installation process may deter some potential buyers. Ultimately, whether or not this upgrade is right for you depends on your personal goals, budget, and mechanical expertise. If you are an experienced mechanic with a significant budget for performance upgrades, then the Triumph 30783 cylinder head upgrade may be an excellent investment. However, if you are a casual driver with limited mechanical experience and a tighter budget, you may want to consider other, less expensive upgrades or modifications.

If you are considering a cylinder head upgrade for your TR6 or TR250, we recommend researching the Triumph 30783 option thoroughly. Consult with experienced TR6/TR250 enthusiasts, mechanics, and specialists to determine if this upgrade is right for your specific vehicle and budget. Additionally, consider the potential compatibility issues and the cost of installation before making a decision. Ultimately, a well-researched and thoughtful approach to this upgrade can lead to significant performance gains and long-term engine reliability.

Details:

We repair, maintain and service MG, Austin, Morris, Morgan, Triumph, Rover, Rolls-Royce, Sunbeam, Jaguar, Bentley, Lotus, Mini. Rear Side of the Head. Numbers on Casting, Manifold Side Pictured. The head has also been re-ported for increased airflow.

We never do so intentionally. Under Valve Cover. Please feel free to make an offer on item you are interested in. Stamped: 516323.

It has been and there are no cracks. Dimensions: 22 x 6 5.5. Everything is sold as pictured. Please carefully examine all images.

Casting Number: 307837. Triumph TR6, TR250 Cylinder Head, Early model Years Up to 1972, 516323, 307837, Re-manufactured. It is ready to be installed. New Parts from Moss Motors.

All tolerances and alignments have been checked.

part #: 30783 prices

• $48.95-$134.18

specifications cylindermotorcycleiz:

• for models: Tr6
• for makes: Triumph
• for years: 1972
• mpn: 30783
• type: Cylinder Head
• oe/oem part number: 516323

payments cylindermotorcycleiz:

• other
• credit card: Diners-club
• wallet: Paypal

shipping cylindermotorcycleiz:

• cost: $250.00
• carrier: UPS
• type: Fixed
• service: UPS Ground
• class: Standard
• transit: 5-12 Days

seller cylindermotorcycleiz:

• rating: 0.0%
• city: Portland, Oregon
• # reviews: 1

general cylindermotorcycleiz:

• condition: Remanufactured
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads

returns cylindermotorcycleiz:

• policy: No Returns

offer cylindermotorcycleiz:

• started: June 27, 2025
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• best offers: True

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