S&S CYCLE - 320-0601 - Flywheel Assembly - 4-3/8” Stroke - Tapered Wrist Pin - 107” M8
The S&S CYCLE 320-0601 is a purpose-built flywheel assembly designed and tested to perform correctly in the conditions and applications it was made for. Perfect for gear drive camshafts. Consistent balance and precision machining, giving you a level of quality that holds up across the full service life of the component. Balance gear is installed for easy installation. Strong assembly eliminates need to weld crankpin. Heat treated 4140 material is harder and twice as stong as stock. For riders who know the difference quality components make, the 320-0601 is the right call. Sold individually.
Features
- Perfect for gear drive camshafts
- Consistent balance and precision machining
- Balance gear is installed for easy installation
- Strong assembly eliminates need to weld crankpin
- Heat treated 4140 material is harder and twice as stong as stock
- Connecting rods are designed with Finite Element Analysis (FEA) to eliminate weak spots
- Includes flywheel, crankpin and connecting rods
- Made in the USA
- Not recommended for compression ratios higher that 10.0:1 for Tri Glide or other three wheel models (including conversion).
- Displacement is with S&S cylinders and pistons.
Specs
- Displacement: 107”
- Material: 4140 Steel
- Stroke Length: 4-3/8”
- Units: Each
- Features: Tapered wrist pin
- Product Name: Flywheel Assembly
- Riding Style: Street
Frequently Asked Questions - S&S CYCLE - 320-0601 - Flywheel Assembly - 4-3/8” Stroke - Tapered Wrist Pin - 107” M8
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.
