1. Pistons, Rings & Piston Kits Products
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  3. HASTINGS MN/HFS4

HASTINGS MN-HFS4 Moly Ring Set MN/HFS4

fits model: Flh, Electra, Glide. make: Harley, Davidson. year: 1978–1985.

Hfs4 Hastings Mn/hfs4 Moly Ring Set For 1978-1985 Harley Davidson Flh Electra Glide - An

( Brand: Hastings ), ( Manufacturer Part Number: MN/HFS4 ), ( Type: Moly Ring Set ), ( Compatible Year: 1985 1984 1983 1982 1981 1980 1979 1978 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Flh Electra Glide ), ( Bundle Description: 1 Pc Genuine Hastings Moly Ring Set ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review HASTINGS Mn/hfs4 Moly Ring Set For Harley Davidson fits ELECTRA GLIDE FLH 1978–1985

Introducing the Hastings Moly Ring Set, a must-have upgrade for Harley-Davidson FLH Electra Glide motorcycles manufactured between 1978 and 1985. This exceptional ring set is produced by Hastings, a trusted name in the motorcycle industry, known for their commitment to quality and performance.

The Hastings Moly Ring Set includes a complete set of molybdenum disulfide (Moly) rings designed specifically for Harley-Davidson Electra Glide engines. Moly rings are renowned for their superior properties, offering increased compression, reduced friction, and enhanced engine performance. These rings are precision-engineered to fit perfectly in your engine, ensuring a smooth and reliable ride.

Each ring in this set is crafted using high-quality molybdenum disulfide material. The moly rings' unique composition allows them to adapt to engine temperatures, preventing wear and tear and providing excellent sealing properties. The result is improved engine efficiency, reduced oil consumption, and prolonged engine life.

The set includes:

1. Two (2) piston rings (one for each cylinder)

2. Two (2) secondary rings (one for each cylinder)

3. Four (4) ring end gaps

Installing the Hastings Moly Ring Set is a straightforward process. The set comes with comprehensive instructions to guide you through the installation process. However, if you're not confident in your mechanical abilities, we recommend taking your motorcycle to a professional mechanic to ensure proper installation.

Once installed, you'll immediately notice the difference in your Harley-Davidson Electra Glide's performance. The engine will run smoother, stronger, and more efficiently than ever before. Plus, with the reduced oil consumption, you'll save money on maintenance costs in the long run.

Investing in the Hastings Moly Ring Set is an investment in the longevity and performance of your Harley-Davidson FLH Electra Glide. Don't settle for less upgrade your engine today with this top-of-the-line Moly ring set.

Hastings Moly Ring Set for 1978-1985 Harley-Davidson FLH Electra Glide: A Comprehensive Analysis

Introduction:

The Hastings Moly Ring Set is a popular aftermarket upgrade for Harley-Davidson FLH Electra Glide models produced between 1978 and 1985. This set is designed to improve engine performance and longevity by reducing friction and wear in the piston rings. In this analysis, we will discuss the potential benefits, drawbacks, and a concluding recommendation.

Pros:

1. Improved Engine Performance: The molybdenum-coated rings can reduce friction and provide better sealing, leading to improved engine performance.

2. Reduced Engine Wear: The molybdenum coating helps to minimize piston-to-cylinder contact, reducing wear and tear on engine components.

3. Increased Engine Life: By reducing wear and improving performance, these rings can potentially increase the life of the engine.

4. Enhanced Fuel Efficiency: The reduced friction and improved sealing can lead to improved fuel efficiency.

5. Easy Installation: The rings can be installed using common hand tools, making it a relatively simple upgrade for the average home mechanic.

Cons:

1. Cost: The Hastings Moly Ring Set can be more expensive than stock rings.

2. Potential for Damage: If not installed correctly, the molybdenum coating can be damaged, leading to potential engine issues.

3. Increased Break-In Period: The rings may require a longer break-in period to seat properly, which can result in initial loss of power.

4. Potential for Oil Leaks: The molybdenum coating can potentially cause oil leaks if not installed correctly or if the engine is not properly sealed.

Conclusion:

The Hastings Moly Ring Set offers several benefits, including improved engine performance, reduced engine wear, increased engine life, and enhanced fuel efficiency. However, it also comes with some drawbacks, such as cost, potential damage, increased break-in period, and potential oil leaks.

If you are an experienced home mechanic or a Harley-Davidson enthusiast looking to maximize the performance and longevity of your 1978-1985 FLH Electra Glide engine, then the Hastings Moly Ring Set could be a worthwhile investment. However, it is crucial to ensure proper installation to avoid potential issues.

Recommendation:

If you decide to purchase the Hastings Moly Ring Set, make sure to obtain it from a reputable dealer or supplier to ensure the quality of the rings. Additionally, follow the installation instructions carefully and consider having the rings installed by a professional if you are not confident in your ability to do so yourself. With proper installation and maintenance, the Hastings Moly Ring Set can provide significant improvements to your engine's performance and longevity.

Details:

Moly Ring Set 1340cc - .020in. Hastings Moly Ring Set for 1978 1985 Harley Davidson FLH Electra Glide - an: Status: In Stock.

part #: mnhfs4 price

  • $93.27

specifications pistondon:

  • for models: Flh, Electra, Glide
  • for makes: Harley, Davidson
  • for years: 1978-1985
  • brand: Hastings
  • mpn: Mn/hfs4
  • type: Moly Ring Set
  • compatible year: 1985 1984 1983 1982 1981 1980 1979 1978
  • compatible make: Harley Davidson
  • compatible model: Flh Electra Glide
  • bundle description: 1 Pc Genuine Hastings Moly Ring Set
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

seller pistondon:

  • # reviews: 9534
  • city: Multiple warehouses
  • rating: 96.5%

returns pistondon:

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

offer pistondon:

  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • availability: In Stock
  • started: August 11, 2025

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general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New
for models: flh, electra, glide, for makes: harley, davidson, for years: 1978-1985, type: moly ring set, compatible year: 1985 1984 1983 1982 1981 1980 1979 1978, compatible make: harley davidson, compatible model: flh electra 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: 7751308733162632,

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