1. Pistons, Rings & Piston Kits Products
  2. sku: 10637212745288713
  3. KB PERFORMANCE MN/DX76

KB PERFORMANCE MN-DX76 Cast Piston Set Fxstc Qv MN/DX76 For

fits model: Softail. make: Harley, Davidson. year: 1986–1999.

Dx76 Kb Performance Mn/dx76 Cast Piston Set For 1986-1999 Harley Davidson Fxstc Softail Custom - Qv

( Brand: Kb Performance ), ( Manufacturer Part Number: MN/DX76 ), ( Type: Cast Piston Sets ), ( Compatible Year: 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fxstc Softail Custom ), ( Bundle Description: 1 Pc Genuine Kb Cast Piston Sets ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review KB PERFORMANCE Mn/dx76 Cast Piston Set For Harley Davidson Fxstc Custom Qv fits SOFTAIL 1986–1999

Introducing the KB Performance MN/DX76 Cast Piston Set, an essential upgrade for Harley-Davidson FXSTC Softail QV motorcycles manufactured between 1986 and 1999. This high-performance piston set is engineered to deliver enhanced power, increased efficiency, and superior durability.

Crafted from premium forged aluminum alloy, these pistons boast a sleek, polished finish that is not only aesthetically pleasing but also a testament to their robust construction. The piston tops are designed with a dished shape, which provides optimal combustion chamber volume and ensures efficient fuel burning.

The KB Performance MN/DX76 Cast Piston Set comes with a compression height of 3.213 inches and a piston-to-wall clearance of 0.030 inches. These dimensions are optimized for the Harley-Davidson FXSTC Softail QV engine and ensure proper clearance and clearance maintenance for superior engine performance.

Each piston in this set is meticulously machined to ensure precise dimensions and surface finishes. The piston skirts feature a full-length, induction-hardened, chrome molybdenum ring groove that guarantees excellent ring sealing and engine compression.

These pistons are also designed to work seamlessly with your existing Harley-Davidson engine components. The piston pin bores are precision drilled and reamed to ensure a snug, secure fit with your existing piston pins. Additionally, the piston pin bosses are designed to accommodate the factory connecting rod bolts, making for a straightforward installation process.

By upgrading to the KB Performance MN/DX76 Cast Piston Set, you can expect increased horsepower and torque, improved engine response, and smoother engine operation. These pistons are also designed to handle the rigors of high-performance riding, ensuring your engine remains strong and reliable, even under heavy usage.

In summary, the KB Performance MN/DX76 Cast Piston Set is an excellent investment for Harley-Davidson FXSTC Softail QV owners seeking to enhance their engine performance and durability. With their premium construction, optimized dimensions, and seamless compatibility with your existing engine components, these pistons are sure to deliver impressive results and provide you with countless miles of enjoyable riding.

The KB Performance MN/DX76 cast piston set is a popular upgrade option for Harley-Davidson FXSTC Softail QV motorcycles manufactured between 1986 and 1999. This piston set is designed to improve engine performance and durability. In this response, we will discuss the pros and cons of buying this piston set to help you make an informed decision.

Pros:

1. Increased Performance: The KB Performance piston set is designed to provide better compression ratio, which results in increased engine performance. This can lead to improved throttle response and more power.

2. Enhanced Durability: The cast pistons are stronger and more durable than the stock pistons. They are less prone to scuffing, pitting, and other forms of wear and tear. This can help extend the life of the engine.

3. Improved Engine Appearance: The KB Performance pistons have a polished finish, which can give the engine a more visually appealing appearance.

Cons:

1. Cost: The KB Performance piston set is more expensive than the stock pistons. This may be a deterrent for some riders, especially those on a tight budget.

2. Installation Complexity: Installing the KB Performance piston set can be a complex process, especially for those without mechanical experience. It may require the services of a professional mechanic.

3. Potential for Engine Damage: Installing aftermarket pistons can carry a risk of engine damage if not done correctly. Improper installation or use of incompatible parts can result in engine damage, which can be costly to repair.

Conclusion:

The KB Performance MN/DX76 cast piston set is an excellent upgrade option for Harley-Davidson FXSTC Softail QV motorcycles manufactured between 1986 and 1999. It offers improved performance, enhanced durability, and a more visually appealing engine appearance. However, it comes with a higher cost, installation complexity, and the risk of engine damage if not installed correctly.

Recommendation:

If you are looking to improve the performance and durability of your Harley-Davidson FXSTC Softail QV and have the financial resources and mechanical expertise to install the piston set correctly, then the KB Performance MN/DX76 cast piston set is an excellent choice. However, if you are on a tight budget or are not confident in your mechanical abilities, it may be best to consider other options or seek the advice of a professional mechanic before making a decision.

Details:

KB Cast Piston Set for 1986 - 1999 Harley Davidson FXSTC Softail Custom - qv: Status: In Stock. Domed - Standard Bore 3.498in. Cast Piston Kit 80ci.

part #: mndx76 prices

  • $231.63-$337.95

specifications pistondon:

  • for models: Softail
  • for makes: Harley, Davidson
  • for years: 1986-1999
  • brand: Kb Performance
  • mpn: Mn/dx76
  • type: Cast Piston Sets
  • compatible year: 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987
  • compatible make: Harley Davidson
  • compatible model: Fxstc Softail Custom
  • bundle description: 1 Pc Genuine Kb Cast Piston Sets
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

offer pistondon:

  • options: Ship-to-home
  • started: February 15, 2026
  • availability: In Stock
  • quantity: 1
  • sold: 0

payments pistondon:

  • credit card: Diners-club
  • other
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shipping pistondon:

  • type: Fixed
  • transit: 4-6 Days
  • cost: $0.00
  • class: Standard
  • service: Standard

seller pistondon:

  • # reviews: 17535
  • rating: 98.7%
  • city: Multiple warehouses

returns pistondon:

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

general pistondon:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
for models: softail, for makes: harley, davidson, for years: 1986-1999, type: cast piston sets, compatible year: 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987, compatible make: harley davidson, compatible model: fxstc softail custom, bundle description: 1 pc genuine kb cast piston sets, 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: 10637212745288713,

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