1. Pistons, Rings & Piston Kits Products
  2. sku: 10738393823344633
  3. HARLEY DAVIDSON 22153-69P

HARLEY DAVIDSON 22153-69P Aermacchi Piston Kit 250CC 3RD 74.6MM

fits model: Ss. make: Harley. year: 1969-70.

22153-69p Harley Davidson Aermacchi Ss 250cc 1969-70 3rd Over 74.6mm Piston Kit

( Brand: Harley Davidson ), ( Manufacturer Part Number: 22153-69P ), ( Part Type: Piston ), ( Vintage Part: Yes )

Review HARLEY DAVIDSON Aermacchi 250cc 3rd Over 74.6mm Piston Kit fits SS 1969-70

Aermacchi 250cc 1969-70 3rd Piston Kit for Harley-Davidson Motorcycles

Description:

This Aermacchi 250cc 1969-70 3rd piston kit is a premium replacement component designed specifically for Harley-Davidson motorcycles. The piston kit is engineered to deliver optimal performance, reliability, and longevity for your Aermacchi-powered Harley-Davidson bike.

The pistons in this kit feature a 74.6mm bore size, making them suitable for specific Harley-Davidson models that utilize Aermacchi 250cc engines. Each piston is precision-machined from high-quality aluminum alloy to ensure a perfect fit and minimal clearance for optimal engine efficiency.

The piston crowns are designed to provide an ideal compression ratio for your engine, allowing it to generate maximum power while maintaining smooth operation. The pistons also feature ring grooves that accommodate high-performance piston rings, ensuring a proper seal between the piston and cylinder wall for optimal combustion efficiency and engine longevity.

This piston kit includes three pistons, allowing you to replace all three pistons in your engine for a complete overhaul. Each piston is accompanied by a matching piston pin and ring set, ensuring a perfect fit and easy installation.

The pistons in this kit are designed to be interchangeable, allowing you to use them in any cylinder position in your engine. This flexibility makes it an excellent choice for Harley-Davidson owners who want to perform a comprehensive engine rebuild or upgrade.

The pistons in this kit are also designed to be compatible with OEM Harley-Davidson connecting rods and crankshafts, making it a convenient and cost-effective solution for Harley-Davidson owners seeking to upgrade their engines.

Overall, this Aermacchi 250cc 1969-70 3rd piston kit is an excellent choice for Harley-Davidson owners seeking to enhance the performance, reliability, and longevity of their Aermacchi-powered motorcycles. Each piston is precision-machined to ensure a perfect fit and optimal engine efficiency, making it a smart investment for any Harley-Davidson enthusiast.

Aermacchi 250cc piston kit for Harley-Davidson motorcycles (Part Number: 22153-69P) is a third generation kit with a 74.6mm piston size, suitable for certain Harley-Davidson models from 1969-1970. Here are some pros and cons of buying this piston kit:

Pros:

1. Enhanced Performance: This kit can help increase the power output and performance of your Harley-Davidson engine.

2. OEM Quality: Aermacchi is a reputable brand and this piston kit is designed to meet or even exceed the original equipment specifications.

3. Improved Durability: The pistons in this kit are made from high-quality material, which can help increase the lifespan of your engine.

4. Value for Money: Compared to other aftermarket options, this piston kit is competitively priced.

5. Availability: This piston kit is widely available from various online and offline stores, making it easy to purchase.

Cons:

1. Compatibility: Make sure your Harley-Davidson model is compatible with this piston kit before making a purchase.

2. Installation: Installing this piston kit may require some mechanical skills and experience. It is recommended to have it installed by a professional.

3. Potential for Engine Damage: Installing the wrong piston size or improperly installing the piston kit can potentially cause engine damage.

4. Additional Costs: Along with the piston kit, you may also need to purchase other parts or components to complete the installation.

5. Time Consuming: Installing the piston kit can be a time-consuming process, especially if you choose to do it yourself.

In conclusion, the Aermacchi 22153-69P 250cc piston kit for Harley-Davidson motorcycles can provide better performance and durability for your engine. However, it requires compatibility verification, professional installation, and additional costs for other components. If you are confident in your mechanical skills and have the necessary resources, this piston kit can be a worthwhile investment. Otherwise, it may be advisable to consider other options or seek professional advice before making a decision.

Recommendation:

Before purchasing this piston kit, make sure your Harley-Davidson model is compatible. It is also recommended to consult with a professional mechanic to assess the installation process and any additional components that may be required. If you are not confident in your mechanical abilities, it may be advisable to consider having the piston kit installed by a professional shop. Ultimately, the decision to purchase this piston kit should be based on your individual needs, budget, and mechanical expertise.

Details:

This item ships worldwide. Excellent real deal HD parts ready to bolt and go!, Please feel free get in touch with any questions. Up for sale is an original new old stock Harley Aermacchi SS 250cc piston kit correct 1969-1970 model's. This third over size 74.6mm kit includes, piston, rings, pin and clips in original packaging as pictured.

part #: 2215369p price

  • $159.99

specifications pistondon:

  • for models: Ss
  • for makes: Harley
  • for years: 1969-70
  • brand: Harley Davidson
  • mpn: 22153-69p
  • part type: Piston
  • vintage part: Yes

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offer pistondon:

  • sold: 0
  • quantity: 1
  • started: February 19, 2026
  • options: Ship-to-home
  • availability: In Stock

shipping pistondon:

  • type: Calculated
  • class: Standard
  • transit: 4-9 Days
  • cost: $16.25
  • service: USPS Ground Advantage
  • carrier: USPS

seller pistondon:

  • city: Philadelphia, Pennsylvania
  • rating: 99.9%
  • # reviews: 11874

returns pistondon:

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

general pistondon:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
for models: ss, for makes: harley, for years: 1969-70, part type: piston, vintage part: yes,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 10738393823344633,

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1 offer $159.99 USD
  • Offer #1: $159.99 price + $17.45 shipping estimate = $177.44* total. Excellent real deal HD parts ready to bolt and go!.+$17.45 shipping

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