1. Pistons, Rings & Piston Kits Products
  2. sku: 10780659853946632
  3. HASTINGS MN/4GC7

HASTINGS MN-4GC7 Cast Ring Set Duo Engine Ld MN/4GC7

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

4gc7 Hastings Mn/4gc7 Cast Ring Set For 1958-1964 Harley Davidson Flh Duo-glide - Engine Ld

( Brand: Hastings ), ( Manufacturer Part Number: MN/4GC7 ), ( Type: Cast 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 Cast Ring Set ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review HASTINGS Mn/4gc7 Cast Ring Set For Harley Davidson Duo glide Engine Ld fits GLIDE FLH 1958–1964

Introducing the Hastings MN/4GC7 Cast Ring Set, specifically designed for Harley-Davidson FLH Duo-Glide engines manufactured between 1958 and 1964. This top-tier replacement ring set is engineered to deliver optimal performance and longevity for your prized motorcycle.

Crafted from premium, high-strength alloy material, these cast rings are meticulously designed to withstand the rigors of high-performance engines. The set includes three essential components: the cylinder honing ring, the compression ring, and the oil control ring. Each ring is precisely machined to ensure a perfect fit and seamless integration with your engine.

The cylinder honing ring is responsible for preparing the cylinder bore for the installation of the piston rings. Its fine-grit surface finely hones the cylinder walls, ensuring a strong seal and superior engine efficiency.

The compression ring, often referred to as the top ring, plays a crucial role in compressing the air-fuel mixture in the cylinder during the combustion process. Its optimized design helps to improve engine power and torque while minimizing fuel consumption and exhaust emissions.

Lastly, the oil control ring ensures that engine oil remains in the crankcase and prevents it from entering the combustion chamber. Properly sealing the oil in the crankcase not only enhances engine performance but also prolongs the engine's life by reducing oil consumption and wear.

Installing the Hastings MN/4GC7 Cast Ring Set is a straightforward process, making it an excellent choice for both professional mechanics and DIY enthusiasts. Each ring comes with detailed installation instructions to guarantee a hassle-free experience.

Investing in this high-quality cast ring set not only guarantees superior engine performance but also ensures the longevity and reliability of your 1958-1964 Harley-Davidson FLH Duo-Glide engine. Upgrade your motorcycle's powertrain with the Hastings MN/4GC7 Cast Ring Set and experience the difference for yourself.

Hastings 4GC7 Cast Ring Set for 1958-1964 Harley-Davidson FLH Duo-Glide Engine: A Comprehensive Analysis

Introduction:

The Hastings 4GC7 cast ring set is designed for Harley-Davidson FLH Duo-Glide engines manufactured between 1958 and 1964. This analysis aims to provide an unbiased assessment of the benefits and drawbacks of purchasing this product.

Pros:

1. OEM-Quality: The Hastings 4GC7 cast ring set is designed to fit and function like original equipment, ensuring optimal engine performance.

2. Durability: The cast rings are known for their superior strength and longevity, reducing the need for frequent replacements.

3. Improved Engine Performance: The use of high-quality cast rings can lead to improved combustion efficiency, smoother engine operation, and increased power output.

Cons:

1. Cost: Compared to aftermarket or used ring sets, the Hastings 4GC7 cast ring set may be more expensive.

2. Availability: Depending on the supplier or retailer, the Hastings 4GC7 cast ring set may not be readily available, requiring a longer wait time for delivery.

3. Installation Complexity: Installing cast rings can be a challenging process, especially for those without prior experience. Professional installation may be necessary, adding to the overall cost.

Conclusion:

The Hastings 4GC7 cast ring set offers several advantages, including OEM quality, durability, and improved engine performance. However, these benefits come at a cost, which may be a barrier for some buyers. Additionally, the availability and installation complexity are factors to consider before making a purchase.

Recommendation:

If you prioritize OEM quality and long-term durability, the Hastings 4GC7 cast ring set is a worthy investment for your 1958-1964 Harley-Davidson FLH Duo-Glide engine. Consider factoring in the cost, availability, and installation complexity before making your decision. If budget is a concern, aftermarket or used ring sets may be more accessible alternatives.

Details:

Cast Ring Set 1200cc - .070in. Hastings Cast Ring Set for 1958-1964 Harley Davidson FLH Duo-Glide - Engine ld: Status: In Stock.

part #: mn4gc7 price

  • $68.26

specifications pistondon:

  • for models: Flh, Glide
  • for makes: Harley, Davidson
  • for years: 1958-1964
  • brand: Hastings
  • mpn: Mn/4gc7
  • type: Cast 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 Cast Ring Set
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

general pistondon:

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

shipping pistondon:

  • cost: $0.00
  • type: Fixed
  • transit: 4-6 Days
  • service: Standard
  • class: Standard

seller pistondon:

  • # reviews: 17822
  • city: Multiple warehouses
  • rating: 98.8%

offer pistondon:

  • started: February 22, 2026
  • options: Ship-to-home
  • sold: 0
  • quantity: 1
  • availability: In Stock

payments pistondon:

  • other
  • wallet: Paypal
  • credit card: Diners-club

returns pistondon:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
for models: flh, glide, for makes: harley, davidson, for years: 1958-1964, type: cast 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 cast 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: 10780659853946632,

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  • Offer #1: $68.26 price + $0.00 shipping estimate = $68.26* total. Cast Ring Set (1200cc) - .070in.FREE SHIPPING

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