1. Pistons, Rings & Piston Kits Products
  2. sku: 7146276574730633
  3. KB PERFORMANCE MN/601E

KB PERFORMANCE MN-601E Cast Piston Set Kc MN/601E For

fits model: Fxr, Glide. make: Harley, Davidson. year: 1986–1994.

601e Kb Performance Mn/601e Cast Piston Set For 1986-1994 Harley Davidson Fxr Super Glide Ii - Kc

( Brand: Kb Performance ), ( Manufacturer Part Number: MN/601E ), ( Type: Cast Piston Sets ), ( Compatible Year: 1994 1993 1992 1991 1990 1989 1988 1987 1986 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fxr Super Glide Ii ), ( Bundle Description: 1 Pc Genuine Kb Cast Piston Sets ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review KB PERFORMANCE Mn/601e Cast Piston Set For Harley Davidson Super Kc fits GLIDE FXR 1986–1994

Introducing the KB Performance MN/601E Cast Piston Set, specifically designed for Harley-Davidson FXR Glide models produced between 1986 and 1994. This piston set is an excellent upgrade for those seeking enhanced engine performance and reliability.

Each piston in this set is meticulously crafted from premium, forged aluminum, ensuring superior strength and durability. The piston crowns are engineered to provide optimal combustion efficiency, allowing for increased power output and improved throttle response.

The KB Performance MN/601E pistons are also designed with a precise skirt-to-wall clearance. This clearance ensures proper ring seal and reduces the potential for piston-to-cylinder contact, significantly reducing the risk of engine damage. The pistons are also fitted with low-tension piston rings, which promote even ring wear and ensure a consistent seal throughout the entire RPM range.

Furthermore, the KB Performance MN/601E piston set is designed to work seamlessly with OEM Harley-Davidson connecting rods and crankshafts. The piston pin diameters and lengths have been carefully matched to ensure proper fitment and function.

Each piston comes complete with new piston pins, wrist pins, and piston pin bushings. These high-quality components are included to ensure a hassle-free installation process. Additionally, the piston set includes new piston rings, ring end gaps, and ring compressors to facilitate a smooth ring installation.

By upgrading to the KB Performance MN/601E Cast Piston Set, Harley-Davidson FXR Glide riders can expect improved engine performance, increased power output, and enhanced reliability. This piston set is an excellent investment for those seeking to optimize the performance of their beloved motorcycle.

Buying the KB Performance MN/601E cast piston set for 1986-1994 Harley-Davidson FXR/GLIDE KC engines comes with several pros and cons that every potential buyer should consider before making a decision.

Pros:

1. Improved Engine Performance: The MN/601E pistons are designed to provide better compression, leading to improved engine performance. This can result in increased horsepower and torque.

2. Durability: The cast pistons are stronger and more durable than stock pistons. They are less prone to failure due to their design and materials.

3. Enhanced Look: The MN/601E pistons have a polished finish, which can give the engine a more attractive appearance.

4. Better Thermal Conductivity: The pistons have improved thermal conductivity, which can help to reduce engine temperatures and improve overall engine health.

Cons:

1. Cost: The MN/601E piston set is more expensive than stock pistons. The cost may be a significant factor for some buyers.

2. Installation Complexity: Installing the pistons requires specialized tools and knowledge. It is not a simple DIY project and may require professional installation.

3. Potential Engine Modifications: Installing high-performance pistons may require other engine modifications to ensure proper functioning. This can add to the overall cost and complexity of the project.

Conclusion:

The KB Performance MN/601E cast piston set offers several advantages, including improved engine performance, durability, enhanced look, and better thermal conductivity. However, it comes with some drawbacks, including cost, installation complexity, and potential engine modifications.

If you are looking for better engine performance and durability, and you have the budget and resources to install the pistons, then this set may be a worthwhile investment. However, if you are on a tight budget, or if the installation complexity is a concern, then it may be best to consider other options.

Recommendation:

Before making a decision, it's essential to weigh the pros and cons carefully and consider your specific needs and resources. If you decide to go with the MN/601E pistons, ensure that you have the necessary tools and knowledge to install them properly or hire a professional to do it for you. Additionally, consider other engine modifications that may be necessary to ensure optimal engine performance.

Details:

Cast Piston Kit 80ci. Flat Top - .010in. Oversize to 3.508in. KB Cast Piston Set for 1986 - 1994 Harley Davidson FXR Super Glide II - kc: Status: In Stock.

part #: mn601e prices

  • $242.90-$289.34

specifications pistondon:

  • for models: Fxr, Glide
  • for makes: Harley, Davidson
  • for years: 1986-1994
  • brand: Kb Performance
  • mpn: Mn/601e
  • type: Cast Piston Sets
  • compatible year: 1994 1993 1992 1991 1990 1989 1988 1987 1986
  • compatible make: Harley Davidson
  • compatible model: Fxr Super Glide Ii
  • bundle description: 1 Pc Genuine Kb Cast Piston Sets
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

seller pistondon:

  • # reviews: 9070
  • rating: 96.8%
  • city: Multiple warehouses

shipping pistondon:

  • type: Fixed
  • transit: 3-5 Days
  • class: Standard
  • cost: $0.00
  • service: Standard

payments pistondon:

  • wallet: Paypal
  • credit card: Mastercard
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returns pistondon:

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

offer pistondon:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: June 27, 2025
  • sold: 0

general pistondon:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
for models: fxr, glide, for makes: harley, davidson, for years: 1986-1994, type: cast piston sets, compatible year: 1994 1993 1992 1991 1990 1989 1988 1987 1986, compatible make: harley davidson, compatible model: fxr super glide ii, 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: 7146276574730633,

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