S&S Cycle 2017 M8 Models 4-5/8in Stroke Flywheel w/ Full Width Rods & Balancer Gear
Specifications Part numbers, fitment codes and shipping
- Brand
- S&S Cycle
- Speedzone SKU
- SSC320-0605
- Manufacturer part number
- 320-0605
- UPC
- 320-0605
- Category
- Misc Powersports
- Shipping weight
- 43.0 lb
- Availability
- Special order — not stocked locally
The flywheels are the heart of any performance engine and S&S Cycle has been perfecting the art for over six decades. Stronger, more durable, and trued to a spec others can only dream of, the new cranks for the Milwaukee-Eight® platform are the best of the best to build your high performance engine around.
- S&S High Strength Connecting Rods are designed with Finite Element Analysis to eliminate weak spots and handle more power!
- Heat Treated 4140 Material is harder & more than twice as strong as stock
- Full width wristpin connecting rods (requires S&S Performance Pistons)
- Stronger assembly eliminates need to weld crankpin
- Balanced for S&S Performance piston weight (1213g)
- Capable of higher RPM - More available power!
- Consistent balance & precision machining
- 4-5/8" Stroke - Use S&S 131 Kits
- Perfect for Gear Drive Cams
- Balance Gear installed
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2018-2020 | Harley-Davidson | FLDE Deluxe 107 | Base |
| 2018-2021 | Harley-Davidson | FLFBS Fat Boy 114 | Base |
| 2018-2021 | Harley-Davidson | FLHCS Heritage Classic 114 | Base |
| 2017-2021 | Harley-Davidson | FLHR Road King | Base |
| 2017-2021 | Harley-Davidson | FLHRXS Road King Special | Base |
| 2019-2021 | Harley-Davidson | FLHT Electra Glide Standard | Base |
| 2017-2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | Base |
| 2020-2021 | Harley-Davidson | FLHTCUTGSE CVO Tri Glide | Base |
| 2017-2021 | Harley-Davidson | FLHTK Ultra Limited | Base |
| 2017-2019 | Harley-Davidson | FLHTKL Ultra Limited Low | Base |
| 2017-2021 | Harley-Davidson | FLHTKSE CVO Limited | Base |
| 2017-2021 | Harley-Davidson | FLHX Street Glide | Base |
| 2017-2021 | Harley-Davidson | FLHXS Street Glide Special | Base |
| 2017-2021 | Harley-Davidson | FLHXSE CVO Street Glide | Base |
| 2017-2021 | Harley-Davidson | FLRT Freewheeler | Base |
| 2020-2021 | Harley-Davidson | FLTRK Road Glide Limited | Base |
| 2017-2019 | Harley-Davidson | FLTRU Road Glide Ultra | Base |
| 2017-2021 | Harley-Davidson | FLTRX Road Glide | Base |
| 2017-2021 | Harley-Davidson | FLTRXS Road Glide Special | Base |
| 2018-2020 | Harley-Davidson | FXBRS Breakout 114 | Base |
| 2019-2020 | Harley-Davidson | FXDRS FXDR 114 | Base |
| 2018-2021 | Harley-Davidson | FXFBS Fat Bob 114 | Base |
| 2020 | Harley-Davidson | FXLRS Low Rider S 114 | Base |
Full details on shipping times, returns, warranty and cancellations are on our policy page.
Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.
Email Sales@Speedzoneweb.com
Call 407-846-8430
Text 407-749-6314
Answers to common questions are on our FAQ page.
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