S&S CYCLE - 320-0351 - Flywheel -
The S&S CYCLE 320-0351 is a purpose-built flywheel assembly designed and tested to perform correctly in the conditions and applications it was made for. For 96”/103”/106” big bore | 110”/117” engine with stock or S&S pistons (will be noted). Fully assembled with premium quaility S&S® heavy duty 7.659” connecting rods, with full width wrist pin ends, and dynamically balanced, giving you a level of quality that holds up across the full service life of the component. Trued to less than .0005” runout on pinion and sprocket shaft bearing surfaces, making them capable of higher rpm and fully compatible with gear drive cams. CNC machined from heat-treated, closed die, steel forgings, which are 114% stronger than late style stock steel flywheels. The only joints in the assembly are where the 1.671” diameter connecting rod crankpin is pressed into the flywheels. The 320-0351 delivers exactly what riders need from a quality aftermarket component. Sold individually.
Features
- For 96”/103”/106” big bore | 110”/117” engine with stock or S&S pistons (will be noted)
- Fully assembled with premium quaility S&S® heavy duty 7.659” connecting rods, with full width wrist pin ends, and dynamically balanced
- Trued to less than .0005” runout on pinion and sprocket shaft bearing surfaces, making them capable of higher rpm and fully compatible with gear drive cams
- CNC machined from heat-treated, closed die, steel forgings, which are 114% stronger than late style stock steel flywheels
- The only joints in the assembly are where the 1.671” diameter connecting rod crankpin is pressed into the flywheels
- Pinion and sprocket shafts are forged as part of the flywheel
- Made in the USA
Specs
- Units: Each
- Engine Type: ”A” motor
- Stroke Length: 4-3/8”
- Features: without Sprocket Bearing Race
- Material: 4140 Steel
- Product Name: Flywheel Assembly
- Riding Style: Street
Frequently Asked Questions - S&S CYCLE - 320-0351 - Flywheel -
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.
