S&S Cycle
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S&S Cycle 320-0350 Flywheel Assembly - 4 3/8in. Stroke
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S&S Cycle 320-0350 Flywheel Assembly - 4 3/8in. Stroke
Heat treated 4140 material is harder and 114% stronger than stock, ensuring better performance and durability.
S&S Cycle 320-0350 Flywheel Assembly - 4 3/8in. Stroke
Item #: 116554215

S&S Cycle 320-0350 Flywheel Assembly - 4 3/8in. Stroke

92% of respondents would recommend this to a friend

Item #: 116554215

XCD 5008

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Friday, September 25
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Heat treated 4140 material is harder and 114% stronger than stock, ensuring better performance and durability.
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What Stands Out

Precision Engineering
Crafted with high-quality materials, this flywheel assembly ensures reliable performance and durability during intense usage, minimizing wear and tear compared to standard options.
Optimized Stroke
Designed for a 4 3/8 inch stroke, it offers enhanced engine efficiency and power delivery, providing riders with improved acceleration and smooth operation.
Easy Installation
The user-friendly design allows for straightforward installation, making it accessible to both professional mechanics and DIY enthusiasts, thus reducing downtime and increasing satisfaction.

Product Details

Shop S&S Cycle 320-0350 Flywheel Assembly - 4 3/8in. Stroke online at a best price in Antigua and Barbuda. B072BM4PQW

Who Should Buy?

Suitable For
  • Performance Enthusiasts

    Ideal for those seeking improved engine performance and reliability in custom motorcycle builds or upgrades.

  • Harley-Davidson Owners

    Best suited for Harley-Davidson riders looking to enhance their bike's power output and overall engine efficiency.

  • Custom Builders

    Perfect for motorcycle enthusiasts building custom bikes needing a reliable and high-performance flywheel assembly.

Not Suitable For
  • Casual Riders

    Not suitable for casual riders who prioritize comfort and practicality over performance enhancements.

Product Description

S&S Cycle 320-0350 Flywheel Assembly - 4 3/8in. Stroke

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the S&S Cycle 320-0350 Flywheel Assembly designed for?

    Answer: The S&S Cycle 320-0350 Flywheel Assembly is engineered specifically for high-performance applications in V-twin motorcycle engines, particularly those that utilize a 4 3/8-inch stroke. This assembly enhances the overall performance, improving torque and power delivery. Motorcycle enthusiasts who modify their bikes for racing or enhanced riding experiences often seek out this flywheel assembly to maximize engine efficiency and optimize performance.
  • Question: What are the benefits of upgrading to the S&S Cycle 320-0350 Flywheel Assembly?

    Answer: Upgrading to the S&S Cycle 320-0350 Flywheel Assembly provides several performance benefits, including increased rotational mass, which can improve low-end torque and throttle response. This flywheel is a crucial component for riders looking to enhance bike responsiveness and overall power output. Riders who frequently travel long distances or engage in competitive riding will notice a significant difference in performance when they invest in this assembly.
  • Question: How does the S&S Cycle 320-0350 Flywheel Assembly compare to stock components?

    Answer: Compared to stock components, the S&S Cycle 320-0350 Flywheel Assembly offers superior durability and performance characteristics. This assembly is meticulously crafted from high-strength materials, which can withstand more stress and heat than factory options. Consequently, riders who demand more from their engines during competitive performance or off-road excursions will find that upgrading to S&S provides substantial advantages over standard flywheels.
  • Question: Is the S&S Cycle 320-0350 Flywheel Assembly compatible with all motorcycle models?

    Answer: The S&S Cycle 320-0350 Flywheel Assembly is designed specifically for select V-twin engine models and may not be compatible with all motorcycles. It's critical to check the manufacturer's specifications to ensure compatibility with your specific engine model. This ensures optimal performance and functionality. Mechanics and riders often utilize parts compatibility guides or consult with professionals to confirm that their bike is suited for installation.
  • Question: What installation process is required for the S&S Cycle 320-0350 Flywheel Assembly?

    Answer: Installing the S&S Cycle 320-0350 Flywheel Assembly typically requires moderate mechanical expertise, as it involves disassembling parts of the engine to access the flywheel area. It’s advised to follow the provided installation guide or to seek assistance from a professional mechanic. This ensures that the assembly is correctly fitted without compromising engine integrity. Riders keen on performance modifications usually prefer professional installs to avoid any mishaps and ensure optimal setup.
  • Question: Does the S&S Cycle 320-0350 Flywheel Assembly help with vibrations during riding?

    Answer: Yes, the S&S Cycle 320-0350 Flywheel Assembly can contribute to reducing vibrations while riding. Its design aims to balance the rotational forces within the engine, resulting in a smoother experience for the rider. Riders who regularly face fatigue from excessive vibrations will find this assembly significantly enhances comfort over long rides. It's particularly beneficial for touring riders or those preparing their bikes for shows.
  • Question: What maintenance is required for the S&S Cycle 320-0350 Flywheel Assembly?

    Answer: Maintenance for the S&S Cycle 320-0350 Flywheel Assembly primarily involves regular inspections for wear and tear, especially post-performance riding. Checking for proper alignment and ensuring other associated components are functioning optimally is essential. Riders should incorporate this inspection into their routine maintenance schedule, particularly if engaging in high-performance activities, to maintain optimal engine performance and longevity.
  • Question: What materials is the S&S Cycle 320-0350 Flywheel Assembly made from?

    Answer: The S&S Cycle 320-0350 Flywheel Assembly is constructed from high-grade materials designed to withstand the demanding conditions of performance riding. Its robust construction ensures durability and longevity during high-stress situations. Riders looking for reliability and performance under harsh conditions should consider this assembly, as it excels in delivering consistent power and efficiency.
  • Question: Can the S&S Cycle 320-0350 Flywheel Assembly be used for racing applications?

    Answer: Absolutely, the S&S Cycle 320-0350 Flywheel Assembly is ideal for racing applications due to its design, which enhances power output and efficiency. Riders who participate in competitive racing will appreciate the performance boost it provides. Additionally, those looking to gain an edge during races frequently invest in high-performance parts like this assembly to maximize their bike’s potential on the track.
  • Question: Where can I buy S&S Cycle 320-0350 Flywheel Assembly - 4 3/8in. Stroke in Antigua and Barbuda?

    Answer: You can purchase the S&S Cycle 320-0350 Flywheel Assembly in Antigua and Barbuda through Ubuy. Ubuy offers a wide selection of motorcycle parts, including performance enhancements like this flywheel assembly. Shopping through Ubuy ensures you access genuine, high-quality products while providing a seamless online experience tailored to your needs.

S&S Cycle Flywheel Editorial Review

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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

XCD 5008

Order now and get it around Friday, September 25

QTY:

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Fastest cross-border delivery

Features & Benefits

  • Designed for Timken-style sprocket shaft bearings.
  • Fits directly in stock crankcases with no modifications.
  • Made from heat treated 4140 material — 114% stronger than stock.
  • Integral mainshafts minimize potential points of weakness.
  • Offers consistent balance and precision machining.
  • Reduces vibration for truer flywheels.

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