1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 13074844939605751
  3. HARLEY DAVIDSON 16501059

HARLEY-DAVIDSON 16501059 Extreme Heads 16501333 2023.5UP GEN2

fits model: M8, Screamin, Eagle. make: Eagle, Harley.

2023.5up Harley-davidson 16501059 New Genuine Gen2 M8 Screamin Eagle Extreme Ported Heads

( Brand: Harley-davidson ), ( Manufacturer Part Number: 16501059 ), ( Type: Cylinder Head Assembly ), ( Engine Type: 4-stroke ), ( Machine Type: Dual Sport Motorcycle, Off-road Motorcycle, Street Motorcycle ), ( Material: Aluminum ), ( Finish: Cvo Granite Black ), ( Vintage Part: No ), ( Ipn: 16501333 )

Review HARLEY DAVIDSON New Genuine Gen2 Extreme Ported Heads fits SCREAMIN EAGLE M8

Introducing the Harley-Davidson 16501059 2023.5UP Gen2 M8 Screamin' Eagle Extreme Head, an exceptional upgrade for your Harley-Davidson Touring model motorcycle. This high-performance cylinder head is part of the Screamin' Eagle line, known for delivering superior power, increased torque, and enhanced engine response.

The 2023.5UP Gen2 M8 Screamin' Eagle Extreme Head is a direct replacement for your factory head, designed to fit seamlessly into your existing engine. It is engineered with a larger intake and exhaust valves, which increase the flow of air and fuel into the combustion chamber and out of the engine, respectively. The larger valves allow for more power to be generated, resulting in a more exhilarating riding experience.

The head also features high-performance, self-cleaning spark plugs, which ensure consistent ignition and eliminates the need for frequent plug changes. Additionally, the head includes new, high-flow fuel injectors, which deliver a precise and efficient fuel mixture to the engine, further improving power and torque.

The 2023.5UP Gen2 M8 Screamin' Eagle Extreme Head is made from high-quality, forged aluminum alloy, ensuring durability and longevity. The head also includes new, high-performance valve guides and seats, which provide a tight seal and help prevent leaks.

The installation of the 2023.5UP Gen2 M8 Screamin' Eagle Extreme Head is relatively straightforward, but it is recommended to have the work done by a professional Harley-Davidson technician to ensure proper fitment and function. The head comes with all necessary hardware and instructions for installation.

In summary, the Harley-Davidson 16501059 2023.5UP Gen2 M8 Screamin' Eagle Extreme Head is a top-tier performance upgrade for your Harley-Davidson Touring model motorcycle. It delivers increased power, torque, and engine response, making for a more thrilling and exhilarating riding experience. With its high-quality materials, precise engineering, and ease of installation, this head is an excellent investment for any serious Harley-Davidson enthusiast.

The Harley-Davidson 16501059 2023.5up Gen2 M8 Screamin' Eagle Extreme heads are aftermarket cylinder heads designed to enhance the performance of Harley-Davidson V-Twin engines. Here are some potential pros and cons of buying these heads:

Pros:

1. Increased Horsepower: The Screamin' Eagle Extreme heads are designed to provide more power and torque, making your Harley-Davidson engine more responsive and faster.

2. Improved Thermal Efficiency: These heads are designed with improved cooling systems to ensure better thermal efficiency, reducing the risk of engine overheating and improving overall engine performance.

3. High-Quality Construction: Harley-Davidson is a reputable brand, and the Screamin' Eagle Extreme heads are no exception. They are made with high-quality materials, ensuring durability and reliability.

4. Easy Installation: The heads are designed to be easy to install, and Harley-Davidson provides clear instructions and support to make the installation process as smooth as possible.

Cons:

1. Cost: Aftermarket cylinder heads can be expensive, and the Harley-Davidson Screamin' Eagle Extreme heads are no exception. They may not be within everyone's budget.

2. Customization: Installing aftermarket cylinder heads may require additional customization to ensure proper fitment and performance. This can add to the cost and complexity of the project.

3. Warranty: Installing aftermarket parts like the Screamin' Eagle Extreme heads may void your Harley-Davidson warranty, so it's important to consider the potential risks and benefits before making a purchase.

Conclusion:

The Harley-Davidson 16501059 2023.5up Gen2 M8 Screamin' Eagle Extreme heads offer significant performance benefits for Harley-Davidson V-Twin engines. However, they come with a hefty price tag and the potential for additional customization needs. Ultimately, the decision to purchase these heads depends on your budget, performance goals, and willingness to take on the installation process.

Recommendation:

If you're looking to significantly increase the performance of your Harley-Davidson engine and are willing to invest the time and money into the installation process, the Harley-Davidson Screamin' Eagle Extreme heads are a great option. However, if you're on a budget or prefer a more straightforward upgrade, there may be other performance modifications that are more cost-effective and accessible. It's always a good idea to consult with a Harley-Davidson dealership or performance specialist to help you make an informed decision.

Details:

Fits: Replacement cylinder heads for '23-later Center-Cooled Touring model's or '25-later Softail equipped with 135ci Stage IV kits 135 Crate engines 131ci. Please look closely at pictures and decide condition fitment for yourself. Factory equipped with high-performance valve springs that remain stable high-lift cams and in high-RPM operation. I am sorry if shipping appears expensive, these are the carrier rates.

The shipping charges shown cover cost of only. 23-'24 Touring model's require separate purchase of Double Stud Kit P/N 29900147. Due to the new race-inspired intake port geometry, these heads require use of either Screamin' Eagle High-Flow 68MM Intake Manifold P/N 27300218 or Extreme Flow CNC Ported 27300217.

part #: 16501059 price

  • $895.00

specifications cylindermotorcycleiz:

  • for models: M8, Screamin, Eagle
  • for makes: Eagle, Harley
  • brand: Harley-davidson
  • mpn: 16501059
  • type: Cylinder Head Assembly
  • engine type: 4-stroke
  • machine type: Dual Sport Motorcycle, Off-road Motorcycle, Street Motorcycle
  • material: Aluminum
  • finish: Cvo Granite Black
  • vintage part: No
  • ipn: 16501333

shipping cylindermotorcycleiz:

  • class: Standard, Expedited
  • transit: 4-10 Days
  • carrier: USPS, UPS
  • service: USPS Ground Advantage, USPS Priority Mail, UPS Ground, UPS 2nd Day Air
  • cost: $68.25
  • type: Calculated

returns cylindermotorcycleiz:

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

payments cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

  • # reviews: 590
  • city: East Peoria, Illinois
  • rating: 100.0%

general cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

  • started: November 28, 2025
  • options: Ship-to-home
  • sold: 0
  • quantity: 1
  • availability: In Stock
for models: m8, screamin, eagle, for makes: eagle, harley, type: cylinder head assembly, engine type: 4-stroke, machine type: dual sport motorcycle, off-road motorcycle, street motorcycle, finish: cvo granite black, vintage part: no,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, material: aluminum, sku: 13074844939605751,
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1 offer $895.00 USD
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