1. Pistons, Rings & Piston Kits Products
  2. sku: 8084904674042713
  3. HASTINGS MN/MG30

HASTINGS MN-MG30 Moly Ring Set Fxef Engine MN/MG30

fits model: Tj, Fat, Bob. make: Harley, Davidson. year: 1979–1980.

Mg30 Hastings Mn/mg30 Moly Ring Set For 1979-1980 Harley Davidson Fxef Fat Bob - Engine Tj

( Brand: Hastings ), ( Manufacturer Part Number: MN/MG30 ), ( Type: Moly Ring Set ), ( Compatible Year: 1980 1979 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fxef Fat Bob ), ( Bundle Description: 1 Pc Genuine Hastings Moly Ring Set ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review HASTINGS Mn/mg30 Moly Ring Set For Harley Davidson Fxef Engine fits FAT BOB TJ 1979–1980

Introducing the Hastings Performance Products MN/MG30 Moly Ring Set, specifically designed for the 1979-1980 Harley-Davidson FXE/FXF Fat Bob engines. This premium set of molybdenum rings is engineered to enhance the performance and longevity of your engine.

The molybdenum material in these rings offers superior wear resistance and reduces friction between the piston and cylinder wall. This results in increased horsepower, torque, and fuel efficiency. The rings are also designed to minimize ring groove distortion, ensuring a proper seal and preventing oil leaks.

The MN/MG30 Moly Ring Set includes a complete set of rings for your Fat Bob engine. This includes two piston rings, two compression rings, two oil control rings, and two ring end gaps. Each ring is precision machined to exacting specifications to ensure a perfect fit and function.

The rings are designed to be used with Harley-Davidson's recommended ring gap settings. These settings vary depending on the engine size and usage, so it's important to consult the Harley-Davidson service manual or a qualified mechanic to determine the correct gap settings for your specific engine.

Installation of the MN/MG30 Moly Ring Set is relatively straightforward, but it's important to follow the proper installation procedures to ensure the best possible results. This includes properly disassembling the engine, cleaning the cylinder walls and pistons, and accurately measuring and setting the ring gaps. Properly installed, these rings will provide excellent performance and longevity for your Fat Bob engine.

In summary, the Hastings Performance Products MN/MG30 Moly Ring Set is a high-quality, precision-engineered set of molybdenum rings designed specifically for the 1979-1980 Harley-Davidson FXE/FXF Fat Bob engines. These rings offer superior wear resistance, reduced friction, and increased performance, making them an excellent choice for riders seeking to enhance the performance and longevity of their engine.

Hastings Moly Ring Set for 1979-1980 Harley-Davidson FXE/F Model Engines: A Comprehensive Analysis

1. Background:

The Hastings Moly Ring Set is a popular aftermarket engine component for Harley-Davidson FXE/F Model engines produced between 1979 and 1980. This ring set is designed to improve engine performance and durability by using molybdenum disulfide (moly) in the rings.

Pros:

a. Enhanced Engine Performance: Molybdenum disulfide is known for its low-friction properties. By using moly rings, the engine's compression and power output can be improved, resulting in better overall performance.

b. Increased Engine Longevity: Moly rings can help reduce engine wear and tear, as they provide better sealing and reduce friction between the piston and the cylinder wall.

c. Improved Fuel Economy: By reducing engine friction and improving combustion efficiency, moly rings can potentially lead to improved fuel economy.

Cons:

a. Higher Upfront Cost: Compared to stock rings, moly ring sets can be more expensive. This may be a significant investment for some Harley-Davidson owners.

b. Potential Installation Challenges: Installing moly rings can be a more complex process than installing stock rings. It may require specialized tools and additional labor costs.

c. Potential Engine Noise: Some riders have reported increased engine noise when using moly rings. This is due to the reduced friction between the piston and cylinder wall, allowing more engine noise to pass through.

Conclusion:

The Hastings Moly Ring Set offers several benefits for Harley-Davidson FXE/F Model engines produced between 1979 and 1980. These benefits include enhanced engine performance, increased engine longevity, and improved fuel economy. However, this upgrade comes with a higher upfront cost and potential installation challenges. Ultimately, whether or not to invest in a moly ring set depends on the individual rider's priorities, budget, and desired level of engine performance.

Recommendation:

If you're an avid Harley-Davidson rider looking for improved engine performance, increased longevity, and better fuel economy, then the Hastings Moly Ring Set is worth considering. However, it's essential to carefully weigh the pros and cons and consider your budget and installation capabilities before making a purchase. If you're unsure, consulting a professional mechanic or Harley-Davidson dealership for advice is always a good idea.

Details:

Hastings Moly Ring Set for 1979 1980 Harley Davidson FXEF Fat Bob - Engine Tj: Status: In Stock. Moly Ring Set 1200cc - .040in.

part #: mnmg30 price

  • $90.78

specifications pistondon:

  • for models: Tj, Fat, Bob
  • for makes: Harley, Davidson
  • for years: 1979-1980
  • brand: Hastings
  • mpn: Mn/mg30
  • type: Moly Ring Set
  • compatible year: 1980 1979
  • compatible make: Harley Davidson
  • compatible model: Fxef Fat Bob
  • bundle description: 1 Pc Genuine Hastings Moly Ring Set
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

seller pistondon:

  • city: Multiple warehouses
  • # reviews: 9792
  • rating: 96.5%

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general pistondon:

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

offer pistondon:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • sold: 0
  • started: September 4, 2025

returns pistondon:

  • policy: Returns Accepted
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for models: tj, fat, bob, for makes: harley, davidson, for years: 1979-1980, type: moly ring set, compatible year: 1980 1979, compatible make: harley davidson, compatible model: fxef fat bob, 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: 8084904674042713,

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