1. Pistons, Rings & Piston Kits Products
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  3. KB PERFORMANCE MN/Q63A

KB PERFORMANCE MN-Q63A Cast Piston Set MN/Q63A For

fits model: Flfb, Electra, Glide. make: Harley, Davidson. year: 1965–1969.

Q63a Kb Performance Mn/q63a Cast Piston Set For 1965-1969 Harley Davidson Flfb Electra Glide - Is

( Brand: Kb Performance ), ( Manufacturer Part Number: MN/Q63A ), ( Type: Cast Piston Sets ), ( Compatible Year: 1969 1968 1967 1966 1965 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Flfb Electra Glide ), ( Bundle Description: 1 Pc Genuine Kb Cast Piston Sets ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review KB PERFORMANCE Mn/q63a Cast Piston Set For Harley Davidson Is fits ELECTRA GLIDE FLFB 1965–1969

Introducing the KB Performance MN/Q63A Cast Piston Set, meticulously engineered for Harley-Davidson FLFB Electra Glide motorcycles manufactured between 1965 and 1969. This piston set is a must-have upgrade for those seeking enhanced performance and reliability from their classic Harley-Davidson V-twin engine.

The KB Performance MN/Q63A Cast Pistons are forged from high-quality, forged aluminum alloy, ensuring superior strength and durability. Each piston is precision-machined to exacting tolerances, ensuring perfect fitment and optimal engine clearances. The piston skirts are designed to minimize friction and improve ring seal, while the piston crowns are optimized for efficient combustion.

These pistons feature a dish design that provides increased compression height, resulting in improved engine performance and power output. The piston rings are made from high-temperature, low-friction material, ensuring reliable sealing and reduced wear.

Each piston is accompanied by its respective connecting rod and wrist pin assembly. The connecting rods are made from heat-treated steel, providing strength and durability, while the wrist pins are made from chrome molybdenum steel, ensuring a snug fit with the piston and minimizing engine blowby.

This complete piston set is an ideal upgrade for Harley-Davidson FLFB Electra Glide owners looking to breathe new life into their classic motorcycle. With enhanced performance, improved reliability, and a wealth of technical expertise behind each component, the KB Performance MN/Q63A Cast Piston Set is the perfect choice for those seeking to take their Harley-Davidson to the next level.

Note: It is important to ensure that your engine is properly rebuilt and tuned before installing new pistons to ensure optimal performance and longevity. This piston set is designed for use with stock or mildly modified engines and may not be suitable for heavily modified engines. Always consult with a qualified mechanic or engine builder before installing any performance parts.

The KB Performance MN/Q63A cast piston set is a popular upgrade option for the 1965-1969 Harley-Davidson FLFB Electra Glide engines. Here are some pros and cons to help you make an informed decision about whether to purchase this piston set.

Pros:

1. Enhanced Performance: The KB Performance pistons are designed to provide better compression and improved power output, making your engine more responsive and delivering smoother performance.

2. Durability: These pistons are made from high-quality forged aluminum, which is known for its strength and durability. This can help prolong the life of your engine and reduce the need for frequent repairs.

3. Improved Heat Dissipation: The piston design includes an improved cooling fin design, which helps dissipate heat more effectively, reducing the risk of engine damage due to overheating.

4. Better Fuel Economy: The increased performance and efficiency of the engine can lead to improved fuel economy, saving you money in the long run.

Cons:

1. Cost: The KB Performance MN/Q63A piston set is a premium upgrade option, and the cost may be a significant investment for some riders.

2. Installation: Installing these pistons requires a high level of expertise and specialized tools. It is recommended that you have a professional mechanic perform the installation to ensure proper fitment and function.

3. Compatibility: These pistons may not be compatible with all Harley-Davidson FLFB engines, so it's essential to verify that they're suitable for your specific model.

Conclusion:

The KB Performance MN/Q63A cast piston set is an excellent investment for riders who want to enhance the performance and durability of their 1965-1969 Harley-Davidson FLFB Electra Glide engine. While the cost may be a significant investment, the benefits of improved performance, increased durability, and better fuel economy can make it a worthwhile upgrade. However, it's crucial to ensure that the pistons are compatible with your specific engine model and to have a professional mechanic perform the installation.

Recommendation:

If you're considering purchasing the KB Performance MN/Q63A cast piston set for your 1965-1969 Harley-Davidson FLFB Electra Glide, I would recommend doing thorough research to verify compatibility and consulting with a professional mechanic to assess the installation process and costs. If you determine that the benefits outweigh the costs, then this upgrade could be an excellent investment for your motorcycle.

Details:

Oversize to 3.478in. Cast Piston Kit 74ci. Domed - .040in. KB Cast Piston Set for 1965-1969 Harley Davidson FLFB Electra Glide - is: Status: In Stock.

part #: mnq63a price

  • $349.58

specifications pistondon:

  • for models: Flfb, Electra, Glide
  • for makes: Harley, Davidson
  • for years: 1965-1969
  • brand: Kb Performance
  • mpn: Mn/q63a
  • type: Cast Piston Sets
  • compatible year: 1969 1968 1967 1966 1965
  • compatible make: Harley Davidson
  • compatible model: Flfb Electra Glide
  • bundle description: 1 Pc Genuine Kb Cast Piston Sets
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

shipping pistondon:

  • transit: 3-7 Days
  • class: Standard
  • cost: $0.00
  • service: Standard
  • type: Fixed

payments pistondon:

  • credit card: Diners-club
  • wallet: Google-pay
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general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New

seller pistondon:

  • rating: 99.3%
  • # reviews: 23682
  • city: Multiple warehouses

offer pistondon:

  • sold: 0
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • started: June 4, 2026

returns pistondon:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for models: flfb, electra, glide, for makes: harley, davidson, for years: 1965-1969, type: cast piston sets, compatible year: 1969 1968 1967 1966 1965, compatible make: harley davidson, compatible model: flfb electra glide, 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: 12788373442916633,

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  • Offer #1: $349.58 price + $0.00 shipping estimate = $349.58* total. Cast Piston Kit (74ci., Domed) - .040in.FREE SHIPPING

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