1. Pistons, Rings & Piston Kits Products
  2. sku: 6415044648097613
  3. KB PERFORMANCE MN/943N

KB PERFORMANCE MN-943N Forged Piston Kit Fxstb Night MN/943N For

fits model: Sl. make: Harley, Davidson. year: 2007–2008.

943n Kb Performance Mn/943n Super-duty Forged Piston Kit For 2007-2008 Harley Davidson Fxstb Night Sl

( Brand: Kb Performance ), ( Manufacturer Part Number: MN/943N ), ( Type: Super-duty Forged Piston Kit ), ( Compatible Year: 2008 2007 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fxstb Night Train ), ( Bundle Description: 1 Pc Genuine Kb Super-duty Forged Piston Kit ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review KB PERFORMANCE Mn/943n Super duty Forged Piston Kit For Harley Davidson Fxstb Night fits SL 2007–2008

Introducing the KB Performance MN/943N Super-Duty Forged Piston Kit, specifically designed for Harley-Davidson FXSTB Nightster models manufactured between 2007 and 2008. This high-performance piston kit is an excellent upgrade for riders seeking enhanced power, durability, and reliability.

Each piston in this set is meticulously crafted from forged 2618-T6 aluminum alloy. This material is known for its superior strength and rigidity, enabling the pistons to withstand the increased pressures generated by high-performance engines. The forging process ensures uniform density throughout the piston, reducing the likelihood of piston failure due to thermal or mechanical stress.

The KB Performance MN/943N pistons feature a unique, full-dome design that enhances combustion efficiency and improves engine breathing. This design provides a larger piston crown area, allowing for a more efficient transfer of power from the combustion process to the crankshaft. Additionally, the piston skirts have been optimized for a tighter clearance with the cylinder bore, reducing frictional losses and improving engine efficiency.

The piston pins are made of high-strength, chrome-molybdenum steel and are precision machined to ensure a perfect fit. The pins are also coated with a high-performance, low-friction material for smooth operation and extended pin life.

Each piston kit comes complete with piston rings, gudgeon pins, and clips. The rings are made from a high-quality, heat-resistant material that ensures a snug seal between the piston and cylinder bore. The gudgeon pins and clips are made from the same high-strength, chrome-molybdenum steel used in the piston pins.

In summary, the KB Performance MN/943N Super-Duty Forged Piston Kit is an excellent upgrade for Harley-Davidson FXSTB Nightster riders seeking improved power, durability, and efficiency. With its forged aluminum pistons, full-dome design, high-strength piston pins, and complete kit of accompanying components, this piston kit is an investment in the long-term performance and reliability of your motorcycle.

Buying a KB Performance MN/943N super-duty forged piston kit for a 2007-2008 Harley-Davidson FXSTB Nightster can offer several benefits and drawbacks, depending on individual priorities and circumstances. Here are some potential pros and cons:

Pros:

1. Enhanced Performance: Forged pistons are stronger and lighter than their cast counterparts. They can withstand higher compression ratios, leading to increased horsepower and torque.

2. Durability: Forged pistons have a longer lifespan than cast pistons due to their superior strength and resistance to fatigue.

3. Improved Engine Response: The increased horsepower and torque can result in better engine response, making the motorcycle more responsive and quicker off the line.

4. Better Fuel Economy: With improved combustion efficiency, forged pistons can help improve fuel economy.

5. Customization: A forged piston kit allows for customization of the engine to suit individual riding styles and preferences.

Cons:

1. Cost: Forged piston kits can be expensive compared to cast piston kits.

2. Installation: Installing a forged piston kit requires specialized knowledge and tools. It is recommended to have it done by a professional mechanic to ensure proper installation and prevent any potential damage.

3. Warranty: Installing aftermarket parts like a forged piston kit may void the original factory warranty on the motorcycle.

4. Break-in Period: After installation, the engine will require a break-in period to ensure proper seating of the piston rings and optimal engine performance.

5. Potential Compatibility Issues: It is essential to ensure that the forged piston kit is compatible with the specific model and year of the Harley-Davidson Nightster to avoid any potential issues.

Conclusion:

A KB Performance MN/943N super-duty forged piston kit for a 2007-2008 Harley-Davidson FXSTB Nightster can offer improved performance, durability, and engine response. However, it comes with a higher cost, installation complexities, potential warranty issues, and a break-in period. Ultimately, the decision to purchase a forged piston kit depends on individual priorities, budget, and riding preferences.

Recommendation:

If you are an avid Harley-Davidson rider seeking improved performance and durability, a forged piston kit may be a worthwhile investment. However, it is essential to consider the associated costs, installation complexities, and potential risks before making a decision. It is recommended to consult with a professional Harley-Davidson mechanic to discuss the benefits and drawbacks of installing a forged piston kit on your specific model and year of the Nightster.

Details:

KB Super-Duty Forged Piston Kit for 2007 - 2008 Harley Davidson FXSTB Night Sl: Status: In Stock. Super-Duty Forged Piston Kit 117ci. Standard Bore 4.125in.

part #: mn943n price

  • $396.69

specifications pistondon:

  • for models: Sl
  • for makes: Harley, Davidson
  • for years: 2007-2008
  • brand: Kb Performance
  • mpn: Mn/943n
  • type: Super-duty Forged Piston Kit
  • compatible year: 2008 2007
  • compatible make: Harley Davidson
  • compatible model: Fxstb Night Train
  • bundle description: 1 Pc Genuine Kb Super-duty Forged Piston Kit
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

shipping pistondon:

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

general pistondon:

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

returns pistondon:

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

seller pistondon:

  • # reviews: 8491
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  • rating: 97.1%

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offer pistondon:

  • sold: 0
  • quantity: 1
  • started: May 11, 2025
  • options: Ship-to-home
  • availability: In Stock
for models: sl, for makes: harley, davidson, for years: 2007-2008, type: super-duty forged piston kit, compatible year: 2008 2007, compatible make: harley davidson, compatible model: fxstb night train, bundle description: 1 pc genuine kb super-duty 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: 6415044648097613,

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