1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 4505589600618271
  3. LF HARRIS 70-4778

LF HARRIS 70-4778 Cylinder Head Torque 3TA 5TA T100R

fits model: Tr6, T120. make: Triumph. year: 1963-73.

70-4778 Lf Harris Triumph Cylinder

( Brand: Lf Harris ), ( Manufacturer Part Number: 70-4778 ), ( Part Type: Torque Cylinder Head ), ( Classic Motorcycle Part: Yes ), ( Country/region Of Manufacture: United Kingdom ), ( Reference Oe/oem Number: E 4778 )

Review LF HARRIS Triumph Cylinder Head Torque Stay 4778 3ta 5ta fits TR6 T120 1963-73

The 1963-73 Triumph Cylinder Head Torque is a crucial component for any classic Triumph motorcycle enthusiast, specifically for models such as the T100R, TR6, T120, and 3TA/5TA variants. This cylinder head torque is a vital part of the engine's top-end assembly, responsible for controlling the combustion process within the engine cylinders.

The 1963-73 Triumph Cylinder Head Torque (Part Number 4778) is a precision-engineered piece of machinery, crafted with the finest materials and manufacturing techniques. It boasts a unique design that allows for optimal air and fuel mixture intake, ensuring a powerful and efficient combustion process. The cylinder head torque features multiple valve ports and a combustion chamber, all of which are meticulously calibrated to deliver the optimal performance for your Triumph motorcycle.

The 4778 LF Harris cylinder head torque is renowned for its robustness and durability, capable of withstanding the rigors of regular use and the occasional high-revving throttle application. It is a direct replacement for the original part, ensuring a seamless fit and function in your classic Triumph motorcycle.

Installing the 1963-73 Triumph Cylinder Head Torque is a straightforward process, requiring only basic mechanical skills and the necessary tools. The kit includes comprehensive installation instructions, making it easy for even the most novice of mechanics to complete the job.

In summary, the 1963-73 Triumph Cylinder Head Torque (Part Number 4778) is a must-have component for any Triumph motorcycle enthusiast. Its unique design, precision engineering, and robust construction ensure optimal performance and longevity, making it an invaluable addition to your classic Triumph motorcycle.

Pros of buying a 1963-73 Triumph cylinder head (Torque 4778, 3TA, 5TA, T100R, TR6, T120, 70-4778, LF, Harris):

1. Availability: These cylinder heads are widely available on the market due to their long production run and popularity.

2. Compatibility: They are compatible with multiple Triumph models, which can save you money if you own more than one Triumph bike.

3. Cost-effective: Compared to purchasing a new cylinder head, buying a used one can be significantly cheaper.

4. Historical value: If you are a classic bike enthusiast, these cylinder heads have a rich history and can add to the overall value of your bike.

Cons of buying a 1963-73 Triumph cylinder head:

1. Wear and tear: Used cylinder heads can have wear and tear issues, such as valve guide problems, valve seat issues, and gasket leaks.

2. Quality control: Since these cylinder heads are not new, there may be some inconsistencies in the manufacturing process, leading to potential issues with fit and performance.

3. Finding the right one: With so many variations available, it can be challenging to find the exact cylinder head you need, and you may end up with a part that is not a perfect fit.

Conclusion: Buying a 1963-73 Triumph cylinder head can be a cost-effective solution for classic bike enthusiasts, but it is essential to inspect the part carefully and ensure it is in good condition before purchasing. If you are unsure about the condition of the cylinder head, consider having it checked by a professional mechanic. Overall, if you can find a well-maintained and compatible cylinder head, it can be a great addition to your classic Triumph bike.

Recommendation: If you are considering buying a 1963-73 Triumph cylinder head, I recommend purchasing it from a reputable seller who can provide a warranty or guarantee on the part. Additionally, it would be wise to have the cylinder head inspected by a professional mechanic before installing it in your bike to ensure it is in good working order.

Details:

part #: 704778 prices

  • $151.12-$516.37

specifications cylindermotorcycleiz:

  • for models: Tr6, T120
  • for makes: Triumph
  • for years: 1963-73
  • brand: Lf Harris
  • mpn: 70-4778
  • part type: Torque Cylinder Head
  • classic motorcycle part: Yes
  • country/region of manufacture: United Kingdom
  • reference oe/oem number: E 4778

Ratings:

  1. Thank you for an easy, pleasant transaction. Excellent buyer.. 08-10-17
  2. right part arrived early 08-10-17
  3. as described, fast shipping 08-05-17
  4. Great seller. Outstanding transaction. 08-04-17
  5. Got it fast and as described. Great seller 08-09-17

Seller cylindermotorcycleiz:

  • zipcode: 27405
  • city: Greensboro, North Carolina

Returns cylindermotorcycleiz:

  • policy: no returns

Shipping cylindermotorcycleiz:

  • type: Calculated
  • handling: 1 days
  • cost: $3.21

Payments cylindermotorcycleiz:

  • PayPal

Offer cylindermotorcycleiz:

  • Started: August 10, 2017, 6:43 pm
  • best offer: true
  • bids: 0
  • quantity: 1
  • Sold: 0

General cylindermotorcycleiz:

  • condition: Used
  • in stock: Yes
  • motors > parts accessories > motorcycle parts engines engine parts motors > motorcycle cylinder headsvalve covers
for models: tr6, t120, for makes: triumph, for years: 1963-73, part type: torque cylinder head, classic motorcycle part: yes, country/region of manufacture: united kingdom, reference oe/oem number: e 4778,
category: motorcycle parts > motorcycle parts engines engine > motorcycle cylinder headsvalve covers, sku: 4505589600618271,
Review#1 Thank you for an easy, pleasant transaction. Excellent buyer. A . ()
Review#2 right part arrived early ()
Review#3 as described, fast shipping ()
Review#4 Great seller. Outstanding transaction. ()
Review#5 Got it fast and as described. Great seller ()
Lf Harris 70-4778 Is Similar To:
  • (62.3% similar) Made with new castings based on the last of triumph 750 twins, this single carb TR7 head is correct for 1979 onward twins but can also be fitted. This head also features screw in exhaust ports to allow fitment of stubs and use push over pipes, a vast improvement the leak prone exhausts fitted most...(December 16th, 2018)
  • (18.2% similar) Made in china, this product also includes a gasket for added convenience during installation. It is a durable cast iron cylinder head assembly suitable for various types of motorcycles, including dual sport, scooter, street, and off-road bikes. With a polished finish and manufacturer warranty of 6 ...(January 9th, 2026)
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5 offers $151.12–$516.37 USD
  • New. Offer #1 priced at $516.37 + $0.00 shipping estimate = $516.37* total. Get the best for your classic! Will fit all unit Triumph 500 twins with pushover exhaust stubs at the head, but are correct for 1969-70.FREE SHIPPING
  • New. Offer #2 priced at $182.60 + $121.47 shipping estimate = $304.07* total. CHEQUES MUST CLEAR BEFORE I WILL DESPATCH. AT THE SILENCER END IT IS SWAGED TO 1" 3/8.+$121.47 shipping
  • New. Offer #3 priced at $151.12 + $121.47 shipping estimate = $272.59* total. THESE ARE MADE BY LF HARRIS TO ORIGINAL DRAWINGS THESE ARE MADE FOR A BALANCE PIPE FITTING AND ARE PUSH INAT THE HEAD.+$121.47 shipping
  • New. Offer #4 priced at $196.46 + $121.47 shipping estimate = $317.93* total. +$121.47 shipping
  • New. Offer #5 priced at $469.59 + $0.00 shipping estimate = $469.59* total. FREE SHIPPING

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