S&s Cycle Replacement Flywheel Assembly For "B" Motors
S&s Cycle Replacement Flywheel Assembly For "B" Motors
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About this product
About this product
Upgrade your "B" motor with the robust S&S Cycle Replacement Flywheel Assembly. Crafted from high-quality 4140 steel, this flywheel assembly delivers superior strength and reliability for demanding applications. Designed for direct fitment, it simplifies installation while enhancing your engine's performance.
Description
The S&S Cycle Replacement Flywheel Assembly is engineered to provide exceptional durability and performance for your "B" motor. Constructed from premium 4140 steel, these 3-piece flywheels feature integral main shafts and a larger 1.671" crankpin for increased strength and longevity. The assembly is designed for a direct fit into stock crankcases, eliminating the need for modifications and ensuring a hassle-free installation. This flywheel assembly enhances the overall reliability and performance of your engine, making it ideal for high-performance builds and demanding riding conditions. Proudly made in the U.S.A., it represents the pinnacle of American craftsmanship and engineering.
Features & highlights
- Enhanced Strength: Made from 4140 steel for superior durability.
- Direct Fit: Installs directly into stock crankcases without modifications.
- Optimized Design: Features a larger 1.671" crankpin for increased strength.
- Premium Construction: 3-piece flywheel with integral main shafts.
- American Made: Proudly manufactured in the U.S.A.
- Increased Reliability: Designed for high-performance and demanding conditions.
Technical specifications
- Brand: S&S Cycle
- Product Name: Flywheel Assembly
- Engine Type: "B" motor
- Stroke Length: 4.00"
- Material: 4140 Steel
- Features: Without Sprocket Bearing Race
Important to know
This flywheel assembly does not include a sprocket bearing race and is designed for use with a Timken bearing conversion, which is sold separately.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
S&S CYCLE
320-0397
Flywheel Assembly
4,00"
"B" motor
4140 Steel
without Sprocket Bearing Race
Each
Reviews


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Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.
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