S&S CYCLE - 320-0459 - Stroker Flywheel Kit - 106” - Twin Cam
For riders who demand quality in every component, the S&S CYCLE 320-0459 is a flywheel assembly built to the standards that experienced powersports enthusiasts recognize the moment they put it in their hands. Feature three-piece assembled flywheels with shafts. Do not require any motor case modification, giving you a level of quality that holds up across the full service life of the component. Stock cylinders will require boring to 3.875”. Fuel-injected motors will require recalibration of the fuel-injection system.. This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.. Whatever the application demands, the 320-0459 gives you a component built to meet it. Sold individually.
Features
- Feature three-piece assembled flywheels with shafts
- Do not require any motor case modification
- 4-1/2” stroke
- 103” stock motors or motors with factory 95” kits require piston kit only; stock or S&S cylinder heads can be used
- Stock cylinders will require boring to 3.875”
- Made in the USA
- Fuel-injected motors will require recalibration of the fuel-injection system.
- This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.
Specs
- Displacement: 106”
- Type: Stroker
- Product Name: Flywheel Assembly
- Riding Style: Street
- Units: Each
- Features: with Sprocket Bearing Race
- Stroke Length: 4-1/2”
- Engine Type: 4-Stroke
Frequently Asked Questions - S&S CYCLE - 320-0459 - Stroker Flywheel Kit - 106” - Twin Cam
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.