1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 13833988054642722
  3. HARLEY DAVIDSON 16787-84B

HARLEY-DAVIDSON 16787-84B Rear Front Evolution Cylinder Set Heads 16775-84

fits make: Harley.

16787-84b Harley-davidson Oem Evolution Cylinder Heads Set Front And Rear 16775-84

( Brand: Harley-davidson ), ( Manufacturer Part Number: 16787-84B ), ( Engine Type: 4-stroke ), ( Type: Cylinder Head ), ( Material: Aluminum ), ( Country Of Origin: United States ), ( Performance Part: No )

Review HARLEY DAVIDSON Oem Evolution Cylinder Heads Set Front And Rear

Introducing the Harley-Davidson 16787-84B Evolution Cylinder Heads Set, a premium replacement solution for your front and rear cylinder heads in Harley-Davidson Motorcycles. These cylinder heads, with the part numbers 16775-84 for the front and 16787-84B for the rear, are designed to deliver optimal engine performance and longevity.

The Evolution Cylinder Heads are engineered with a high-performance design, featuring increased cooling capacity and improved combustion efficiency. This results in enhanced power output and torque, providing a smoother and more responsive riding experience. Additionally, the heads are machined to exacting specifications to ensure a perfect fit and function, ensuring a seamless installation process.

Each cylinder head is equipped with four valves, which are actuated by a single overhead camshaft. The valves are made of high-strength materials, ensuring durability and longevity, while the camshaft is designed to provide precise valve control for optimal engine performance.

The heads also feature a new combustion chamber design, which offers improved fuel economy and reduced emissions. This not only benefits the environment but also contributes to extended engine life and reduced maintenance costs.

The Harley-Davidson 16787-84B Evolution Cylinder Heads Set is manufactured to OEM specifications, ensuring a perfect fit and function. The heads are also tested rigorously to ensure they meet the highest standards of quality and performance. This guarantees that you can trust these heads to deliver the same level of performance as the original equipment.

In summary, the Harley-Davidson 16787-84B Evolution Cylinder Heads Set is a premium replacement solution for your front and rear cylinder heads. These heads are designed to offer enhanced performance, improved combustion efficiency, and increased cooling capacity, providing a smoother and more responsive riding experience. With their high-quality construction and rigorous testing, you can trust these heads to deliver the same level of performance as the original equipment.

Harley-Davidson Evolution Cylinder Heads Set (16787-84B for front and 16775-84 for rear) are aftermarket parts designed to enhance the performance of Harley-Davidson V-Twin engines. These heads offer several benefits, but it is essential to consider their pros and cons to make an informed purchasing decision.

Pros:

1. Enhanced Performance: The Evolution cylinder heads provide improved airflow and combustion efficiency, resulting in increased power output and better throttle response.

2. Durability: These heads are made of high-quality materials, ensuring they can withstand the rigors of regular riding and high-performance usage.

3. Improved Heat Management: The cylinder heads feature improved cooling systems, helping to maintain optimal engine temperature and preventing overheating.

4. Customization: Installing these heads can be an opportunity for riders to personalize their bikes and differentiate them from stock models.

Cons:

1. Cost: The Harley-Davidson Evolution Cylinder Heads Set can be quite expensive, making them a significant investment for some riders.

2. Installation Complexity: Installing these heads requires specialized knowledge and tools, making it a challenging and time-consuming process.

3. Compatibility: These heads might not be compatible with all Harley-Davidson models or years, so riders must ensure their bike is compatible before making a purchase.

4. Potential for Engine Modifications: Installing these heads might necessitate additional engine modifications, adding to the overall cost and complexity of the project.

Conclusion:

The Harley-Davidson Evolution Cylinder Heads Set (16787-84B for front and 16775-84 for rear) offers several advantages, including enhanced performance, durability, improved heat management, and customization opportunities. However, the significant investment required, installation complexity, compatibility concerns, and potential need for additional engine modifications are potential drawbacks. Considering these factors, riders who prioritize performance and are willing to invest time, money, and expertise might find these heads to be a worthwhile investment. On the other hand, riders seeking a more straightforward and cost-effective solution may want to explore alternative options. Ultimately, the decision to purchase these heads depends on individual priorities, budget, and technical capabilities.

Details:

Please review photos carefully for overall condition. Casting numbers: Front: 16787-84B Rear: 16775-84B. These are stock OEM Evolution heads used on Big Twin model's from the mid-1980s through 1990 Genuine Harley-Davidson Evolution cylinder heads removed from a 1989 FLHTC.

part #: 1678784b price

  • $285.00

specifications cylindermotorcycleiz:

  • for makes: Harley
  • brand: Harley-davidson
  • mpn: 16787-84b
  • engine type: 4-stroke
  • type: Cylinder Head
  • material: Aluminum
  • country of origin: United States
  • performance part: No

returns cylindermotorcycleiz:

  • policy: No Returns

seller cylindermotorcycleiz:

  • rating: 100.0%
  • city: Altoona, Pennsylvania
  • # reviews: 157

offer cylindermotorcycleiz:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 2
  • started: March 7, 2026
  • sold: 0
  • best offers: True

payments cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

  • cost: $66.56
  • carrier: USPS
  • transit: 5-9 Days
  • type: Calculated
  • class: Standard
  • service: USPS Ground Advantage

general cylindermotorcycleiz:

  • condition: Used
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
for makes: harley, engine type: 4-stroke, type: cylinder head, country of origin: united states, performance part: no,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, material: aluminum, sku: 13833988054642722,
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1 offer $285.00 USD
  • Used. Offer #1 priced at $285.00 + $71.88 shipping estimate = $356.88* total. Front: . Genuine Harley-Davidson Evolution cylinder heads removed from a 1989 FLHTC.+$71.88 shipping

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