S&s Cycle Replacement Flywheel Assembly For Big Bore Engines
S&s Cycle Replacement Flywheel Assembly For Big Bore Engines
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About this product
About this product
Upgrade your engine's performance with the S&S Cycle Replacement Flywheel Assembly. Designed for 96", 103", and 106" big bore engines, as well as 110" and 117" engines with stock or S&S pistons, this flywheel assembly provides superior strength and reliability.
Description
The S&S Cycle Replacement Flywheel Assembly is meticulously engineered for high-performance applications. Fully assembled with premium quality S&S heavy-duty 7.659" connecting rods featuring full-width wrist pin ends and dynamic balancing, it ensures smooth and efficient power delivery. Trued to less than 0.0005" runout on pinion and sprocket shaft bearing surfaces, this assembly is optimized for higher RPM and full compatibility with gear drive cams. CNC machined from heat-treated, closed-die steel forgings, it boasts 114% greater strength than late-style stock steel flywheels. The robust design features a 1.671" diameter connecting rod crankpin pressed into the flywheels, with pinion and sprocket shafts forged as part of the flywheel. This flywheel assembly enhances engine durability and performance, providing enthusiasts and professionals with a reliable, high-quality component.
Features & highlights
- Dynamically balanced for smooth, high-RPM operation.
- Heavy-duty 7.659" connecting rods ensure robust performance.
- Precision trued to less than 0.0005" runout for optimal camshaft compatibility.
- CNC machined from high-strength, heat-treated steel forgings.
- Designed for 96", 103", 106", 110" and 117" engines.
- Features full width wrist pin ends for added durability.
- Made in the USA.
Technical specifications
- Brand: S&S Cycle
- Engine Type: "A" motor
- Material: 4140 Steel
- Stroke Length: 4.375" (4-3/8")
- Connecting Rod Length: 7.659"
- Crankpin Diameter: 1.671"
- Runout: Less than 0.0005"
- Features: with Sprocket Bearing Race
Important to know
This replacement flywheel assembly is designed for specific engine models. Ensure compatibility with your engine type (96", 103", 106" big bore, 110", or 117" engine with stock or S&S pistons) before installation. Professional installation is recommended.
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
320-0350
Flywheel Assembly
4-3/8"
"A" motor
4140 Steel
with 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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