HARLEY-DAVIDSON 16800210 Big Cylinder Kit 4.310 RR109/FT109

( Brand: Harley-davidson ), ( Manufacturer Part Number: 16800210 ), ( Part Type: Cylinder )

Review HARLEY DAVIDSON Oem 4.310 Big Bore Cylinder Kit Rr109/ft109 fits M8

The Harley-Davidson 16800210 M8 4.310 Big Cylinder Kit is an essential upgrade for Harley-Davidson motorcycles with RR109/FT109 engines. This high-performance cylinder kit is designed to deliver increased power, torque, and overall engine efficiency.

The kit includes four new cylinders, each with a bore size of 4.310 inches, that are precision-machined from high-quality aluminum alloy. The cylinders feature a polished finish and are designed to provide superior heat dissipation, ensuring optimal engine performance even during prolonged periods of heavy use.

The cylinders are also equipped with nickel-plated pistons that offer superior strength and durability. The pistons have a compression height of 3.440 inches and a total height of 4.500 inches, providing ample clearance for the crankshaft and ensuring proper engine clearances are maintained.

The cylinder heads included in the kit are CNC-machined for accuracy and feature large intake and exhaust ports for improved airflow and power output. The heads also have integrated cooling fins that help dissipate heat and maintain optimal engine temperature.

The kit also includes new cylinder studs, piston rings, and gaskets, ensuring a complete and thorough cylinder replacement. The cylinder studs are made from high-strength steel and are designed to provide a secure connection between the cylinders and the engine block.

The Harley-Davidson 16800210 M8 4.310 Big Cylinder Kit is a must-have for any Harley-Davidson enthusiast looking to increase the power and performance of their motorcycle. The kit is backed by Harley-Davidson's reputation for quality and craftsmanship and is sure to provide years of reliable and enjoyable riding.

In summary, this Harley-Davidson 16800210 M8 4.310 Big Cylinder Kit is an essential upgrade for Harley-Davidson motorcycles with RR109/FT109 engines. It includes new cylinders, pistons, cylinder heads, cylinder studs, piston rings, and gaskets, designed to deliver increased power, torque, and overall engine efficiency. The kit is precision-machined from high-quality materials and is backed by Harley-Davidson's reputation for quality and craftsmanship.

The Harley-Davidson M8 4.310 Big Cylinder Kit RR109/FT109 is a performance upgrade for Harley-Davidson motorcycles. This kit increases the cylinder size, which results in more power and torque. Here are some pros and cons of buying this kit:

1. Increased Power: The larger cylinder size results in more air-fuel mixture being burnt in each cycle, leading to more power and torque.

2. Improved Performance: The increased power and torque lead to better acceleration and overall improved performance.

3. Enhanced Sound: The bigger cylinders produce a unique and distinct sound that many Harley-Davidson enthusiasts appreciate.

4. Customization: Installing this kit allows riders to customize their motorcycle and stand out from the crowd.

1. Cost: The Harley-Davidson M8 4.310 Big Cylinder Kit RR109/FT109 is a premium upgrade and can be quite expensive.

2. Complex Installation: Installing this kit requires a significant amount of time, expertise, and tools. It's not a job for the faint of heart or inexperienced mechanics.

3. Reduced Fuel Economy: With more power comes more fuel consumption. Installing this kit will result in reduced fuel economy.

4. Increased Maintenance: The larger cylinders require more frequent maintenance, which can be time-consuming and costly.

The Harley-Davidson M8 4.310 Big Cylinder Kit RR109/FT109 is an excellent upgrade for Harley-Davidson enthusiasts who want more power, improved performance, and a unique sound. However, it comes with a significant cost, complex installation, reduced fuel economy, and increased maintenance. Ultimately, the decision to buy this kit depends on an individual's priorities, budget, and technical expertise.

If you have the budget, the technical expertise, and a strong desire for more power and improved performance, then the Harley-Davidson M8 4.310 Big Cylinder Kit RR109/FT109 is an excellent investment. However, if you're on a tight budget or prefer a more straightforward and less expensive upgrade, there are other options available, such as exhaust systems or air intake kits. Ultimately, it's essential to weigh the pros and cons carefully before making a decision.

Details:

LOC RB 20 TXO. DEALER NOS OEM HARLEY-DAVIDSON M8 4.310 BIG BORE CYLINDER KIT 16800210 RR109/FT109.

part #: 16800210 price

• $1500.00

specifications cylindermotorcycleiz:

• for models: M8
• for makes: Harley
• brand: Harley-davidson
• mpn: 16800210
• part type: Cylinder

offer cylindermotorcycleiz:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• best offers: True
• started: January 8, 2026

returns cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

• class: Standard
• transit: 4-8 Days
• cost: $35.00
• service: Standard
• type: Fixed

general cylindermotorcycleiz:

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

payments cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

• city: Red Oak, Texas
• # reviews: 998
• rating: 99.7%

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