1. Pistons, Rings & Piston Kits Products
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  3. KB PERFORMANCE MN/G815

KB PERFORMANCE MN-G815 Forged Piston Kit Fxdb Fy MN/G815 For

fits model: Dyna, Glide, Sturgis. make: Harley, Davidson. year: 1991.

G815 Kb Performance Mn/g815 Forged Piston Kit For 1991 Harley Davidson Fxdb-s Dyna Glide Sturgis - Fy

( Brand: Kb Performance ), ( Manufacturer Part Number: MN/G815 ), ( Type: Forged Piston Kit ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fxdb-s Dyna Glide Sturgis ), ( Bundle Description: 1 Pc Genuine Kb Forged Piston Kit ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review KB PERFORMANCE Mn/g815 Forged Piston Kit For Harley Davidson Fxdb s Fy fits DYNA GLIDE STURGIS 1991

Introducing the KB Performance MN/G815 Forged Piston Kit, specifically designed for the 1991 Harley-Davidson FXDB-S Dyna Glide Sturgis model. This piston kit is an exceptional upgrade for your motorcycle, offering superior performance and durability.

The MN/G815 Forged Piston Kit is meticulously crafted using forged pistons, a manufacturing process that ensures a strong and uniform structure. Forged pistons provide enhanced strength and rigidity, allowing for increased power output and improved engine response. These pistons are also lighter than their cast counterparts, reducing the overall weight of the rotating assembly and improving engine efficiency.

The piston tops are engineered with a dish profile that optimizes the power band and provides better compression for improved combustion efficiency. The piston skirts feature a full-floating design, which reduces friction and wear, resulting in longer piston life and smoother engine operation.

The piston rings included in this kit are made from high-quality, heat-resistant materials. The top ring is a compression ring, the second ring is an oil control ring, and the third ring is a scraper ring. The optimized ring gaps ensure proper sealing and reduced oil consumption.

The piston pins are made from high-strength material and are chrome molybdenum coated to reduce friction and wear. The pin diameter is optimized for a snug fit in the connecting rod, providing excellent engine stability and reducing the likelihood of piston whip.

The KB Performance MN/G815 Forged Piston Kit is designed to be a direct replacement for the OEM pistons, making installation straightforward and hassle-free. Included in the kit are new piston rings, piston pin bushings, and all necessary hardware for a successful installation.

Upgrading to the KB Performance MN/G815 Forged Piston Kit is an investment in the performance and longevity of your 1991 Harley-Davidson FXDB-S Dyna Glide Sturgis engine. With increased power output, improved engine response, and enhanced durability, this piston kit is an excellent choice for riders seeking to enhance the performance of their motorcycle.

Buying a KB Performance MN/G815 Forged Piston Kit for a 1991 Harley Davidson FXDB-S Dyna Glide Sturgis can be a significant investment for any Harley Davidson enthusiast looking to improve the performance of their motorcycle. Here are some pros and cons to consider before making a purchase:

Pros:

1. Enhanced Performance: The forged pistons offer increased strength and durability, allowing for higher compression and improved engine performance. This can result in increased horsepower and torque.

2. Improved Efficiency: The forged pistons can help improve the efficiency of the engine by reducing friction and heat, which can lead to better fuel economy.

3. Longer Engine Life: The forged pistons are designed to last longer than stock pistons, reducing the need for frequent engine rebuilds or replacements.

4. Customization: Installing a performance piston kit can be a great way to personalize your motorcycle and set it apart from others.

Cons:

1. Cost: The KB Performance MN/G815 Forged Piston Kit is a significant investment, with a retail price of around $1,500 to $2,000, depending on the specific kit and installation costs.

2. Installation Complexity: Installing the performance piston kit requires specialized knowledge and tools, making it a more involved process than some other modifications. It is recommended to have the kit installed by a professional mechanic.

3. Potential Compatibility Issues: It is important to ensure that the performance piston kit is compatible with your specific motorcycle model and year. Incorrect installation can result in serious engine damage.

4. Increased Maintenance: With increased performance comes the need for more frequent maintenance. The engine may require more frequent oil changes and inspections to ensure optimal performance.

Conclusion:

The KB Performance MN/G815 Forged Piston Kit offers several benefits for Harley Davidson enthusiasts looking to improve the performance and longevity of their motorcycle. However, the significant investment required, along with the installation complexity and potential compatibility issues, should be carefully considered before making a purchase.

Recommendation:

If you are serious about improving the performance of your 1991 Harley Davidson FXDB-S Dyna Glide Sturgis, and you have the budget for it, the KB Performance MN/G815 Forged Piston Kit can be a worthwhile investment. However, it is recommended to do thorough research on the specific kit and its compatibility with your motorcycle, and to have it installed by a professional mechanic to ensure optimal performance and prevent any potential damage. If the cost is a concern, there may be other performance modifications that offer similar benefits at a lower cost.

Details:

Forged Piston Kit - .005in. KB Forged Piston Kit for 1991 Harley Davidson FXDB-S Dyna Glide Sturgis - fy: Status: In Stock.

part #: mng815 price

  • $320.24

specifications pistondon:

  • for models: Dyna, Glide, Sturgis
  • for makes: Harley, Davidson
  • for years: 1991
  • brand: Kb Performance
  • mpn: Mn/g815
  • type: Forged Piston Kit
  • compatible make: Harley Davidson
  • compatible model: Fxdb-s Dyna Glide Sturgis
  • bundle description: 1 Pc Genuine Kb Forged Piston Kit
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

shipping pistondon:

  • cost: $0.00
  • service: Standard
  • type: Fixed
  • transit: 2-5 Days
  • class: Standard

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seller pistondon:

  • rating: 96.4%
  • # reviews: 9666
  • city: Multiple warehouses

returns pistondon:

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

offer pistondon:

  • started: August 25, 2025
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • sold: 0

general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New
for models: dyna, glide, sturgis, for makes: harley, davidson, for years: 1991, type: forged piston kit, compatible make: harley davidson, compatible model: fxdb-s dyna glide sturgis, bundle description: 1 pc genuine kb forged piston kit, core charge: free no core charge, fitment type: direct replacement,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 7950696937441633,

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  • Offer #1: $320.24 price + $0.00 shipping estimate = $320.24* total. Forged Piston Kit - +.005in.FREE SHIPPING

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