S&S Cycle Flywheels - Harley-Davidson
About S&S Cycle
S&S Cycle has built American V-twin performance parts in Viola, Wisconsin since 1958 — flywheels, carburetors, cams, cylinder heads and complete crate engines. When a Harley owner talks about a 124, a 128 or a 131 build, they are usually talking about S&S. Few names carry more weight with engine builders in this space.
Restore the balanced rotation of your Harley-Davidson engine with S&S Cycle Flywheels. These OEM-quality crankshaft support components are engineered for reliable performance. They serve as a direct replacement for stock flywheels across a wide range of Harley applications, ensuring smooth and consistent engine operation.
Why riders pick this
- OEM-quality construction from S&S Cycle
- Engineered for balanced crankshaft rotation
- Direct replacement for stock Harley flywheels
- 40 lb weight for consistent rotational mass
When it's time for an engine rebuild or maintenance, choosing reliable components is paramount. S&S Cycle Flywheels provide the quality and precision you expect, serving as a direct, OEM-quality replacement for your existing Harley-Davidson flywheels. Each flywheel is balanced to ensure optimal crankshaft support, which is crucial for the longevity and performance of your V-twin engine. With S&S Cycle, you're getting a component built to exacting standards, designed to integrate seamlessly into your Harley.
Reliable Support for Your Harley Crankshaft
- S&S Cycle OEM-quality construction for dependable performance
- Designed for balanced and smooth crankshaft rotation
- Direct replacement for stock Harley-Davidson flywheels
- Weighs 40 lb for consistent rotational mass
Ensuring Correct Fitment and Installation
These S&S Cycle flywheels are engineered as a direct replacement, but confirming compatibility with your specific Harley-Davidson model is always essential. Flywheel installation requires significant engine disassembly and specialized tools, making it a job best handled by an experienced Harley dealer or a trusted performance shop. While these are OEM-quality replacements, always ensure the weight and specifications match your engine's requirements before proceeding with installation.
Specifications
- Brand: S&S Cycle
- Manufacturer Part #: 320-0601
- Weight: 40 lb
- Category: Drivetrain / Flywheels
Common questions
Is this a direct bolt-on replacement?
Yes, this S&S Cycle flywheel is engineered as a direct replacement for stock Harley-Davidson flywheels in compatible applications. However, installation requires significant engine disassembly.
What weight is this flywheel?
This flywheel weighs 40 lb. Always check your engine's specifications to confirm this weight matches your application before ordering to ensure proper balance and performance.
Do I need a machinist or shop to install this?
Flywheel installation requires engine disassembly and specialized tools for proper truing and balancing. Most riders have this done at a Harley dealer or an experienced performance shop.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | S&S Cycle |
| TYPE | Flywheels |
| SKU | T14-662050 |
| WEIGHT | 40.0 lb |
