1. Electrical & Ignition Components Offered
  2. sku: 10009535303334861
  3. SCREAMIN EAGLE 21918-99

SCREAMIN EAGLE 21918-99 Piston Ring Set Nos 1550

fits model: Std. make: Harley.

21918-99 Screamin Eagle Harley Piston Ring Set 1550 Std Oem Nos

( Brand: Screamin Eagle ), ( Part Type: Ring Piston ), ( Manufacturer Part Number: 21918-99 )

Review SCREAMIN EAGLE Harley Piston Ring Set Oem Nos fits STD

Introducing the Screamin' Eagle 21918-99 Harley-Davidson Piston Ring Set, a high-performance upgrade for your Harley-Davidson engine. This piston ring set is specifically designed for Harley-Davidson V-Twin engines with a standard 1550 bore size.

The Screamin' Eagle piston ring set is manufactured to meet the demands of serious Harley-Davidson riders and enthusiasts seeking superior engine performance. Each ring is meticulously crafted from premium materials to ensure durability, reliability, and longevity.

The top ring in this set is a compression ring, designed to seal the combustion chamber effectively during the power stroke. Its optimized design provides excellent sealing and reduces the likelihood of blowby, allowing for improved combustion efficiency and horsepower gains.

The second ring in the set is the oil control ring. This ring is responsible for maintaining proper oil flow and preventing oil from escaping past the piston during the power stroke. It features an optimized design for reduced friction and improved oil management, ensuring that your engine is both lubricated and efficient.

The bottom ring in the set is the skirt or compression-loading ring. This ring is designed to compress against the cylinder wall and provide the necessary sealing force to maintain cylinder pressure during the power stroke. Its robust design ensures a tight seal, reducing the likelihood of piston-to-cylinder contact and minimizing the risk of engine damage.

Installing the Screamin' Eagle piston ring set is a straightforward process, and it is compatible with both stock and aftermarket pistons. By upgrading your engine with this high-quality piston ring set, you can expect improved performance, increased horsepower, and enhanced durability, making it an excellent investment for any Harley-Davidson enthusiast.

Pros and Cons of Buying a Screamin' Eagle 21918-99 Harley-Davidson Piston Ring Set

Introduction:

The Screamin' Eagle 21918-99 Harley-Davidson Piston Ring Set is a popular aftermarket option for Harley-Davidson motorcycle owners seeking improved engine performance. Like any other purchase, this part comes with its advantages and disadvantages. In this analysis, we will discuss the key pros and cons to help you make an informed decision.

Pros:

1. Enhanced Engine Performance: The Screamin' Eagle piston ring set is designed to provide better sealing and reduce piston-to-cylinder wall contact, resulting in increased horsepower and torque.

2. OEM Quality: Harley-Davidson's Screamin' Eagle brand is known for producing high-quality components, ensuring a precise fit and reliable function.

3. Compatibility: These piston rings are specifically engineered for Harley-Davidson engines, minimizing the risk of compatibility issues.

4. Improved Engine Longevity: A proper piston ring set can help prevent oil consumption, reduce wear, and extend the life of the engine.

5. Enhanced Riding Experience: The increased performance and longevity can lead to a more enjoyable and smoother riding experience.

Cons:

1. Cost: The Screamin' Eagle piston ring set may be more expensive compared to aftermarket alternatives or OEM options from other manufacturers.

2. Installation Complexity: Installing piston rings can be a time-consuming and labor-intensive process, requiring specialized tools and skills.

3. Potential for Damage: During the installation process, the cylinder walls or pistons could be accidentally damaged, leading to additional costs for repair or replacement.

Conclusion:

The decision to buy a Screamin' Eagle 21918-99 Harley-Davidson Piston Ring Set ultimately depends on your personal priorities, budget, and riding goals. If you're seeking improved engine performance, OEM quality, and increased engine longevity, this piston ring set may be worth the investment. However, if cost is a concern or you're not comfortable with the installation process, other options may be more suitable for you.

Recommendation:

If you decide to purchase the Screamin' Eagle piston ring set, consider having a professional mechanic handle the installation process to minimize the risk of damage. Additionally, ensure that you have a clear understanding of the installation process and associated costs before making the purchase.

part # 2191899 prices

  • $20.92-$45.00

specifications ignitioncompo:

  • for models: Std
  • for makes: Harley
  • brand: Screamin Eagle
  • part type: Ring Piston
  • manufacturer part number: 21918-99

returns ignitioncompo:

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

offer ignitioncompo:

  • started: June 5, 2026
  • sold: 0
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home

general ignitioncompo:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components

shipping ignitioncompo:

  • class: Standard
  • service: USPS Ground Advantage
  • cost: $7.60
  • carrier: USPS
  • type: Calculated
  • transit: 4-7 Days

payments ignitioncompo:

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

seller ignitioncompo:

  • # reviews: 27176
  • rating: 99.9%
for models: std, for makes: harley, part type: ring piston,
category: motorcycle parts > motorcycle scooter parts accessories > electrical ignition components, sku: 10009535303334861,

Screamin Eagle 21918-99 Is Similar To:

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5 offers $20.92–$45.00 USD
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  • Offer #5: $349.99 price + $8.61 delivery = $358.60* total.+$8.61 shipping