S&s Cycle Replacement Flywheel Assembly For Harley B-motor
S&s Cycle Replacement Flywheel Assembly For Harley B-motor
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About this product
About this product
Upgrade your Harley-Davidson B-Motor with the robust S&S Cycle Replacement Flywheel Assembly. Engineered for superior strength and durability, this flywheel assembly delivers enhanced performance and reliability for your motorcycle.
Description
The S&S Cycle Replacement Flywheel Assembly is meticulously crafted from high-quality 4140 steel, ensuring exceptional strength and longevity. Its innovative 3-piece design with integral main shafts and a larger 1.671" crankpin provides a significant upgrade over stock components. This flywheel assembly fits directly into stock crankcases without requiring any modifications, simplifying the installation process. Proudly made in the U.S.A., it represents a commitment to quality and performance that S&S Cycle is known for. This flywheel assembly will increase the stroke length to 4-5/8".
Features & highlights
- Constructed from premium 4140 steel for maximum strength and durability.
- Features a 3-piece design with integral main shafts for enhanced reliability.
- Larger 1.671" crankpin improves overall performance.
- Direct fit into stock crankcases eliminates the need for modifications.
- Proudly made in the U.S.A., ensuring top-notch quality.
- Increases stroke length to 4-5/8"
Technical specifications
- Brand: S&S Cycle
- Product Name: Flywheel Assembly
- Engine Type: "B" motor
- Material: 4140 Steel
- Features: Without Sprocket Bearing Race
- Stroke Length: 4-5/8"
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
320-0469
Flywheel Assembly
4-5/8"
"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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