S&s Cycle Replacement Flywheel Assembly For Harley-davidson B Motor
S&s Cycle Replacement Flywheel Assembly For Harley-davidson B Motor
Available in stock (5)
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 provides enhanced performance and reliability for your engine build. Experience the quality and precision of American-made components designed for enthusiasts and professionals alike.
Description
The S&S Cycle Replacement Flywheel Assembly is constructed from high-quality 4140 steel, ensuring exceptional strength and longevity. These 3-piece flywheels feature integral main shafts and a larger 1.671" crankpin, making them the strongest available. Designed for direct fitment in stock crankcases without any modifications, this flywheel assembly offers a seamless upgrade. Perfect for those seeking increased performance and reliability, the S&S Cycle Flywheel Assembly delivers unmatched quality and precision. This flywheel assembly does not include a sprocket bearing race and is designed for use with Timken bearing conversions.
Features & highlights
- Constructed from high-quality 4140 steel for maximum strength and durability.
- Features a larger 1.671" crankpin for enhanced performance.
- Designed for direct fitment in stock crankcases, eliminating the need for modifications.
- Made in the U.S.A., ensuring top-tier quality and craftsmanship.
- 3-piece flywheel design with integral main shafts for added strength.
- Optimized for use with Timken bearing conversions.
Technical specifications
- Brand: S&S Cycle
- Product Name: Flywheel Assembly
- Engine Type: "B" motor
- Material: 4140 Steel
- Stroke Length: 4-3/8"
- Features: Without Sprocket Bearing Race
Important to know
This flywheel assembly does not include a sprocket bearing race and is specifically designed for use with Timken bearing conversion kits, which are sold separately. Verify compatibility with your specific engine configuration before installation.
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
320-0359
Flywheel Assembly
4-3/8"
"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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