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  3. CYCLE MN/XZ4W

S-S CYCLE MN-XZ4W Forged Pistons Ws 88ci. 103CI. Reviews MN/XZ4WS

fits make: Harley, Davidson. year: 1936–1950.

Xz4w S&s Cycle Mn/xz4w Forged Pistons For 88ci.- 103ci. 1936-1950 Harley Davidson E - Ws

( Brand: S-s Cycle ), ( Manufacturer Part Number: MN/XZ4W ), ( Type: Forged Pistons For 88ci. 103ci. ), ( Compatible Year: 1950 1949 1948 1947 1946 1945 1944 1943 1942 1941 1940 1939 1938 ), ( Compatible Make: Harley Davidson ), ( Bundle Description: 1 Pc Genuines S Cycle Forged Pistons For 88ci. 103ci. ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review S CYCLE Scycle Mn/xz4wsforged Pistons For 88ci. 103ci. Harley Davidson Ws fits 1936–1950

Introducing the high-performance cycle MN/XZ4WS forged pistons, specifically designed for Harley Davidson WS and MN engines with a displacement of 88ci (1419cc) or 103ci (1682cc) from the years 1936 to 1950. These pistons are an excellent upgrade for riders seeking increased power, durability, and reliability in their vintage Harley Davidson motorcycle.

The forged construction of these pistons provides unmatched strength and rigidity compared to their cast counterparts. Each piston undergoes a meticulous forging process that results in a near-perfect shape, ensuring optimal compression and power output. Moreover, the forged design enhances the piston's ability to withstand the high temperatures and pressures generated during engine operation.

These cycle MN/XZ4WS forged pistons feature a state-of-the-art, high-silicon aluminum alloy skirt that minimizes weight while providing excellent heat dissipation. The piston crown is optimally designed with a dish profile and a dome shape, which improves combustion efficiency and power output. The piston rings are made of a high-quality, low-friction material that ensures a perfect seal in the cylinder bore, reducing power loss and improving engine performance.

Additionally, these forged pistons come with a precision-machined piston pin and wrist pin bosses, ensuring a snug fit and eliminating any possibility of piston movement during engine operation. The piston pin is made of a high-strength material, offering superior durability and resistance to bending and fatigue.

The cycle MN/XZ4WS forged pistons are drop-in ready and require no modification to the engine block or connecting rods, making them an easy and straightforward upgrade for your vintage Harley Davidson motorcycle. These pistons are perfect for riders who demand the best in performance, durability, and reliability from their classic bike. Upgrade your engine today with the cycle MN/XZ4WS forged pistons and experience the power and performance that will take your Harley Davidson to the next level.

Buying forged pistons for your 1936-1950 Harley Davidson WS/WN/XL model with an 88ci or 103ci engine, such as the MN/XZ4W series, can offer several benefits and drawbacks. Below are some potential pros and cons:

Pros:

1. Increased Durability: Forged pistons are stronger than their cast counterparts and can withstand higher compression and power levels, making them ideal for high-performance applications.

2. Enhanced Engine Performance: Forged pistons can help increase horsepower and torque, leading to improved engine performance.

3. Better Heat Dissipation: Forged pistons have better thermal conductivity than cast pistons, which can help dissipate heat more effectively, reducing the risk of engine overheating.

4. Improved Engine Longevity: Forged pistons are less prone to failure due to their increased strength and durability, which can help extend the life of your engine.

Cons:

1. Cost: Forged pistons are generally more expensive than cast pistons due to the manufacturing process and materials used.

2. Customization: Forged pistons may require custom cylinder heads and crankshafts to fit properly, which can add to the overall cost and complexity of the project.

3. Installation: Installing forged pistons can be a complex process that requires specialized tools and expertise, which may add to the overall cost and time investment.

Ending Conclusion:

While forged pistons offer several benefits such as increased durability, enhanced engine performance, and improved engine longevity, they also come with some drawbacks such as higher cost, customization requirements, and complex installation. Ultimately, the decision to purchase forged pistons for your 1936-1950 Harley Davidson WS/WN/XL model with an 88ci or 103ci engine depends on your specific goals, budget, and expertise. If you're looking for maximum performance and engine life, and you're willing to invest the time, money, and expertise required, then forged pistons may be the right choice for you. Otherwise, cast pistons may be a more cost-effective and practical option.

Recommendation:

If you're considering purchasing forged pistons for your Harley Davidson WS/WN/XL engine, we recommend doing thorough research and consulting with experienced professionals in the field. This can help you make an informed decision based on your specific needs, goals, and budget. Additionally, consider exploring alternative performance upgrades and modifications that may offer similar benefits to forged pistons but with fewer drawbacks. Ultimately, the goal is to improve your engine's performance while minimizing the risks and costs associated with the project.

Details:

Motors and Sidewinder Kit - Standard Bore 3 5/8in.Thistle Forged Pistons for 88ci.- 103ci. For 1936-1950 Harley Davidson E - ws: Status: In Stock.

part #: mnxz4w price

  • $445.27

specifications pistondon:

  • for makes: Harley, Davidson
  • for years: 1936-1950
  • brand: S-s Cycle
  • mpn: Mn/xz4w
  • type: Forged Pistons For 88ci. 103ci.
  • compatible year: 1950 1949 1948 1947 1946 1945 1944 1943 1942 1941 1940 1939 1938
  • compatible make: Harley Davidson
  • bundle description: 1 Pc Genuines S Cycle Forged Pistons For 88ci. 103ci.
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

offer pistondon:

  • sold: 0
  • options: Ship-to-home
  • started: February 23, 2026
  • quantity: 1
  • availability: In Stock

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

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for makes: harley, davidson, for years: 1936-1950, type: forged pistons for 88ci. 103ci., compatible year: 1950 1949 1948 1947 1946 1945 1944 1943 1942 1941 1940 1939 1938, compatible make: harley davidson, bundle description: 1 pc genuines s cycle forged pistons for 88ci. 103ci., 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: 10825009525256632,

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