TRIUMPH E3548 Unit Alloy Cylinder Head Great Fins 8-STUD

( Manufacturer Part Number: E3548 ), ( Engine Type: 4-stroke ), ( Type: Cylinder Head ), ( Machine Type: Dual Sport Motorcycle, Off-road Motorcycle, Street Motorcycle ), ( Material: Aluminum )

Review TRIUMPH Pre unit Alloy Cylinder Head Great Fins fits T120 TR6 650

The Triumph E3548 pre-unit alloy cylinder head is a premium component designed for Triumph motorcycles with models including the 650 T120, TR6, and others that utilize an 8-stud cylinder head mounting pattern. This head showcases Triumph's exceptional engineering prowess, delivering enhanced power, improved thermal efficiency, and increased durability.

The E3548 cylinder head boasts great fin design, which not only adds to its aesthetic appeal but also plays a crucial role in dissipating heat effectively. The fin design is meticulously crafted to maximize the surface area for efficient cooling. These large, well-defined fins not only contribute to optimal engine temperature regulation but also give the head a distinctive, classic look.

This pre-unit alloy cylinder head is a direct factory replacement that ensures a perfect fit and reliable performance. The pre-unit design means the exhaust valves and inlet valves are in separate ports, which enhances engine breathing and power output. The alloy construction of the head improves its strength and durability, ensuring it can withstand the rigors of regular use.

The E3548 cylinder head is designed to work seamlessly with your Triumph motorcycle's existing engine components, making for a hassle-free installation process. By upgrading to this high-performance cylinder head, you can expect improved engine response, increased power output, and overall enhanced riding experience.

This Triumph E3548 pre-unit alloy cylinder head is a must-have for Triumph enthusiasts and riders seeking to optimize the performance of their motorcycle. Its superior construction, fin design, and compatibility with various Triumph models make it a valuable addition to any workshop or garage.

Triumph's E3548 pre-unit alloy cylinder head is a popular choice among Triumph T120 and TR6 owners due to its legendary performance and classic design. Here are some pros and cons to consider before purchasing this cylinder head:

1. Classic Design: The E3548 cylinder head is a classic design that has been used in Triumph motorcycles since the 1960s. Its timeless appearance is highly sought after by collectors and enthusiasts.

2. Performance: This cylinder head is known for its excellent power output and torque, making it a popular choice for those looking to improve the performance of their Triumph T120 or TR6.

3. Durability: The alloy construction of the cylinder head makes it lightweight and durable, making it an ideal choice for high-performance applications.

4. Compatibility: The E3548 cylinder head is compatible with a wide range of Triumph models, including the T120, TR6, and others.

1. Cost: The E3548 cylinder head can be quite expensive, especially if it is in good condition or if it requires any modifications or repairs.

2. Availability: Due to its popularity, the availability of this cylinder head can be limited, and it may take some time to find a good one.

3. Installation: Installing the E3548 cylinder head can be a complex and time-consuming process, requiring a significant amount of skill and experience.

4. Compatibility Issues: While the E3548 cylinder head is compatible with many Triumph models, there may be some compatibility issues with certain engines or components.

The Triumph E3548 pre-unit alloy cylinder head is a highly desirable component for Triumph T120 and TR6 enthusiasts, offering excellent performance, durability, and classic design. However, its high cost, limited availability, and complex installation process may make it a challenging purchase for some. Ultimately, whether or not to buy this cylinder head depends on your specific needs, budget, and level of expertise.

If you are serious about improving the performance of your Triumph T120 or TR6 and have the necessary skills, experience, and budget, then the E3548 pre-unit alloy cylinder head is an excellent investment. However, if you are a beginner or have limited resources, it may be worth considering other options, such as performance upgrades or modifications that are more accessible and affordable. Additionally, it is crucial to ensure that the cylinder head you purchase is in good condition and compatible with your specific engine and components.

Details:

Rocker box threads appear to have thread inserts. Dents and dings in combustion chambers as shown. I'm not an expert on the differences between various versions of these heads but will provide any photos or info I can. Does not appear to have any cracks at the exhaust ports, or could possibly been welded/repaired one time.

No broken, cracked or missing fins. Will need to be machined/rebuilt. Shipping combined when possible. Triumph Pre-Unit cylinder head as shown.

Used spark plug shown in pics was removed and is not included. The only numbers on this are the castings E3548. Please see photos as they are part of the.

part #: e3548 prices

• $74.99-$389.99

specifications cylindermotorcycleiz:

• for models: T120, Tr6, 650
• for makes: Triumph
• mpn: E3548
• engine type: 4-stroke
• type: Cylinder Head
• machine type: Dual Sport Motorcycle, Off-road Motorcycle, Street Motorcycle
• material: Aluminum

shipping cylindermotorcycleiz:

• service: USPS Ground Advantage, UPS Ground Saver
• class: Standard, Economy
• carrier: USPS, UPS
• transit: 3-8 Days
• cost: $23.35
• type: Calculated

returns cylindermotorcycleiz:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

seller cylindermotorcycleiz:

• city: San Luis Obispo, California
• rating: 100.0%
• # reviews: 2163

offer cylindermotorcycleiz:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: November 18, 2025
• sold: 0

payments cylindermotorcycleiz:

• wallet: Google-pay
• credit card: Visa
• other

general cylindermotorcycleiz:

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

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