1. Pistons, Rings & Piston Kits Products
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  3. KB PERFORMANCE MN/E0R7

KB PERFORMANCE MN-E0R7 Cast Piston Set Fxst Standard Ua MN/E0R7 For

fits model: Softail. make: Harley, Davidson. year: 1984–1999.

E0r7 Kb Performance Mn/e0r7 Cast Piston Set For 1984-1999 Harley Davidson Fxst Softail Standard - Ua

( Brand: Kb Performance ), ( Manufacturer Part Number: MN/E0R7 ), ( 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: Fxst Softail Standard ), ( Bundle Description: 1 Pc Genuine Kb Cast Piston Sets ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review KB PERFORMANCE Mn/e0r7 Cast Piston Set For Harley Davidson Fxst Standard Ua fits SOFTAIL 1984–1999

Introducing the KB Performance MN/E0R7 Cast Piston Set, an exceptional upgrade for your 1984-1999 Harley-Davidson FXST Softail Standard UA motorcycle. This piston set is engineered to deliver improved performance, reliability, and durability, making it an excellent investment for Harley-Davidson enthusiasts.

The MN/E0R7 Cast Piston Set is precisely designed to fit Harley-Davidson FXST Softail Standard UA models from 1984 to 1999. Each piston is meticulously crafted using high-quality, forged aluminum alloy, ensuring superior strength and heat resistance. The piston crowns are optimally domed to provide maximum combustion efficiency, while the piston skirts are designed for a snug fit in the cylinder bore to minimize friction and reduce engine wear.

The piston rings included with this set are made of advanced, heat-resistant materials, ensuring a tight seal between the piston and cylinder wall. These rings have been specifically engineered to provide excellent compression and oil control, ensuring consistent engine performance and improved fuel efficiency.

The piston set comes with matching, high-performance wrist pins that provide enhanced piston-to-pin connection, ensuring optimal power transfer and increased engine horsepower. The piston pins are also engineered for durability, with a hardened surface that resists wear and ensures a long service life.

This KB Performance piston set is designed to work seamlessly with factory Harley-Davidson connecting rods, crankshafts, and cylinder heads. The pistons are precision-machined to ensure a perfect fit and proper clearance with these components, ensuring a hassle-free installation process.

By upgrading to the KB Performance MN/E0R7 Cast Piston Set, you can expect improved engine performance, enhanced horsepower, and increased torque. This piston set is also designed to provide better heat dissipation, resulting in reduced engine heat and improved overall engine efficiency.

The KB Performance MN/E0R7 Cast Piston Set is backed by a comprehensive warranty, ensuring peace of mind and protection against any manufacturing defects. This piston set is an excellent choice for any Harley-Davidson FXST Softail Standard UA owner looking to enhance the performance and reliability of their motorcycle engine.

The KB Performance MN/E0R7 cast piston set is a popular upgrade option for Harley-Davidson FXST Softail Standard motorcycles manufactured between 1984 and 1999. Here are some pros and cons to help you make an informed decision on whether to purchase this piston set.

Pros:

1. Enhanced Power and Performance: The KB Performance pistons are designed to provide improved combustion efficiency, leading to increased power output and better overall performance.

2. Durability: These pistons are made from high-quality aluminum alloy and are designed to handle the rigors of high-performance riding.

3. Improved Engine Look: The polished finish of these pistons can enhance the aesthetic appeal of your engine.

4. OEM Replacement: These pistons are a direct replacement for the stock pistons, making installation straightforward and hassle-free.

Cons:

1. Cost: The KB Performance piston set is more expensive than the stock pistons, which may be a deterrent for some riders.

2. Modification: Installing these pistons may require additional modifications, such as upgraded rings or a higher-compression clutch, to ensure proper engine operation.

3. Installation Complexity: The installation process for these pistons can be complex, as it requires the removal of the engine from the frame.

Conclusion:

The KB Performance MN/E0R7 cast piston set offers significant power and performance gains for Harley-Davidson FXST Softail Standard motorcycles manufactured between 1984 and 1999. However, these benefits come at a higher cost and the installation process can be complex. If you are looking for improved power and durability and are willing to invest the time and resources into the installation process, then the KB Performance piston set is a worthwhile investment. If you are on a budget or are not willing to undertake a complex installation process, then the stock pistons may be a more cost-effective and practical choice. Ultimately, the decision to purchase the KB Performance piston set depends on your individual riding preferences and budget.

Details:

Oversize to 3.518in. Flat Top - .020in. KB Cast Piston Set for 1984 - 1999 Harley Davidson FXST Softail Standard - ua: Status: In Stock. Cast Piston Kit 80ci.

part #: mne0r7 price

  • $231.63

specifications pistondon:

  • for models: Softail
  • for makes: Harley, Davidson
  • for years: 1984-1999
  • brand: Kb Performance
  • mpn: Mn/e0r7
  • 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: Fxst Softail Standard
  • bundle description: 1 Pc Genuine Kb Cast Piston Sets
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

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  • class: Standard
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  • city: Multiple warehouses
  • rating: 99.2%
  • # reviews: 22452

offer pistondon:

  • sold: 0
  • quantity: 1
  • started: May 9, 2026
  • availability: In Stock
  • options: Ship-to-home

general pistondon:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
for models: softail, for makes: harley, davidson, for years: 1984-1999, 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: fxst softail standard, 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: 12282508780672813,

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  • Offer #1: $231.63 price + $0.00 shipping estimate = $231.63* total. Cast Piston Kit (80ci., Flat Top) - .020in.FREE SHIPPING

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