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  3. HASTINGS MN/6F9Z

HASTINGS MN-6F9Z Moly Ring Set Duo Engine Tk MN/6F9Z

fits model: Flh, Glide. make: Harley, Davidson. year: 1958–1964.

6f9z Hastings Mn/6f9z Moly Ring Set For 1958-1964 Harley Davidson Flh Duo-glide - Engine Tk

( Brand: Hastings ), ( Manufacturer Part Number: MN/6F9Z ), ( Type: Moly Ring Set ), ( Compatible Year: 1964 1963 1962 1961 1960 1959 1958 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Flh Duo-glide ), ( Bundle Description: 1 Pc Genuine Hastings Moly Ring Set ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review HASTINGS Mn/6f9z Moly Ring Set For Harley Davidson Duo glide Engine Tk fits GLIDE FLH 1958–1964

Introducing the Hastings MN/6F9Z Moly Ring Set, specifically designed for the Harley-Davidson FLH Duo-Glide engines manufactured between 1958 and 1964. This ring set is an essential upgrade for your vintage motorcycle, ensuring optimal engine performance and longevity.

The set includes six molybdenum-coated rings: one piston ring set and one crankshaft ring set. Molybdenum is an element known for its high-strength and resistance to wear, making it an ideal material for engine rings. The moly rings in this set are meticulously manufactured to precise specifications, ensuring a perfect fit and function within your engine.

The piston rings in this set are designed to prevent compression loss and seal the combustion gases inside the engine cylinders. The piston rings are also coated with a molybdenum compound to reduce friction, thus reducing engine wear and improving overall performance.

The crankshaft rings, on the other hand, are responsible for sealing the oil in the engine and preventing oil from leaking out. These rings are also coated with molybdenum to ensure a tight seal, even under the extreme pressures and temperatures encountered in the engine.

Installing these rings is a straightforward process, but it's recommended that you follow the instructions provided by Harley-Davidson or a qualified mechanic to ensure proper installation. Proper installation is crucial to achieving the desired performance benefits and longevity of the engine.

In summary, the Hastings MN/6F9Z Moly Ring Set is a must-have upgrade for Harley-Davidson FLH Duo-Glide engines manufactured between 1958 and 1964. With its molybdenum-coated piston and crankshaft rings, this set reduces friction, improves sealing, and ensures optimal engine performance and longevity.

Hastings Moly Ring Set for 1958-1964 Harley-Davidson FLH Duo-Glide Engines: A Detailed Analysis

Introduction:

The Hastings Moly Ring Set is a popular aftermarket upgrade for Harley-Davidson FLH Duo-Glide engines manufactured between 1958 and 1964. Molybdenum disulfide (Moly) is a well-known lubricant additive that reduces friction and wear in engine components. In this analysis, we will discuss the potential pros and cons of investing in a Hastings Moly Ring Set for your 1958-1964 Harley-Davidson FLH Duo-Glide engine.

Pros:

1. Improved Engine Performance: Moly rings can provide better sealing, reducing oil consumption and engine blow-by. This results in improved engine performance, increased power, and better fuel efficiency.

2. Enhanced Engine Durability: The molybdenum additive in the rings reduces the friction between the piston rings and cylinder walls, which can lead to longer engine life and fewer repairs.

3. Reduced Engine Noise: Moly rings produce fewer noise emissions due to their superior sealing capabilities, which can lead to a quieter engine operation.

4. Environmental Benefits: By reducing oil consumption and engine wear, moly rings contribute to a cleaner environment by reducing the amount of oil that needs to be disposed of.

Cons:

1. Higher Upfront Cost: Moly ring sets can be more expensive than standard rings, making them a significant investment for some Harley-Davidson owners.

2. Installation Complexity: Installing moly rings requires specialized tools and skills, which may add to the overall cost and complexity of the upgrade.

3. Potential for Ring Damage: Moly rings are more brittle than standard rings, which can increase the risk of damage during installation and engine operation.

4. Potential for Compatibility Issues: Although moly rings are designed to work with a wide range of engine types and sizes, there is a risk of compatibility issues with specific engines or modifications.

Conclusion:

In conclusion, the Hastings Moly Ring Set offers several advantages for Harley-Davidson FLH Duo-Glide engines manufactured between 1958 and 1964. These benefits include improved engine performance, enhanced durability, reduced engine noise, and environmental benefits. However, the higher upfront cost, installation complexity, potential for ring damage, and compatibility issues may deter some Harley-Davidson owners from making the investment.

Recommendation:

If you are an avid Harley-Davidson enthusiast who values engine performance, durability, and quiet operation, and you are willing to invest in a high-quality moly ring set and the necessary installation tools, then this upgrade could be an excellent choice for your 1958-1964 FLH Duo-Glide engine. However, if you are on a tight budget or have concerns about the installation process, you may want to consider other engine modifications or maintenance options. Ultimately, the decision to invest in a Hastings Moly Ring Set should be based on your personal priorities, budget, and engine requirements.

Details:

Hastings Moly Ring Set for 1958-1964 Harley Davidson FLH Duo-Glide - Engine tk: Status: In Stock. Moly Ring Set 1200cc - .020in.

part #: mn6f9z price

  • $92.70

specifications pistondon:

  • for models: Flh, Glide
  • for makes: Harley, Davidson
  • for years: 1958-1964
  • brand: Hastings
  • mpn: Mn/6f9z
  • type: Moly Ring Set
  • compatible year: 1964 1963 1962 1961 1960 1959 1958
  • compatible make: Harley Davidson
  • compatible model: Flh Duo-glide
  • bundle description: 1 Pc Genuine Hastings Moly Ring Set
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

payments pistondon:

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shipping pistondon:

  • transit: 4-8 Days
  • service: Standard
  • type: Fixed
  • class: Standard
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seller pistondon:

  • # reviews: 17539
  • rating: 98.7%
  • city: Multiple warehouses

general pistondon:

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

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  • time: 30 Days
  • policy: Returns Accepted

offer pistondon:

  • quantity: 1
  • sold: 0
  • started: February 16, 2026
  • options: Ship-to-home
  • availability: In Stock
for models: flh, glide, for makes: harley, davidson, for years: 1958-1964, type: moly ring set, compatible year: 1964 1963 1962 1961 1960 1959 1958, compatible make: harley davidson, compatible model: flh duo-glide, bundle description: 1 pc genuine hastings moly ring set, 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: 10654673402688713,

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