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.
FEATURES & BENEFITS4-3/8" Stroke (107 or 124ci)Balance Gear installedHeat Treated 4140 Material is harder & more than twice as strong as stockStronger assembly eliminates need to weld crankpinCapable of higher RPM - More available power!S&S High Strength Connecting Rods are designed with Finite Element Analysis to eliminate weak spots and handle more power!Tapered wristpin connecting rods compatible with stock pistonsBalanced for stock piston weight (1060g)Perfect for Gear Drive CamsConsistent balance & precision machiningCapable of higher RPM – More available power!
Fitment
| Year(s) | Make | Model Code | Model |
|---|---|---|---|
| 2017-2028 | Harley-Davidson | — | M8 Models |
| Year | Make | Model |
|---|---|---|
| 2018 | Harley-Davidson | FLDE Deluxe 107 |
| 2018 | Harley-Davidson | FLFB Fat Boy 107 |
| 2018 | Harley-Davidson | FLHC Heritage Classic 107 |
| 2018 | Harley-Davidson | FLSB Sport Glide 107 |
| 2018 | Harley-Davidson | FLSL Softail Slim 107 |
| 2018 | Harley-Davidson | FXBB Street Bob 107 |
| 2018 | Harley-Davidson | FXBR Breakout 107 |
| 2018 | Harley-Davidson | FXFB Fat Bob 107 |
| 2018 | Harley-Davidson | FXLR Low Rider 107 |
| 2019 | Harley-Davidson | FLDE Deluxe 107 |
| 2019 | Harley-Davidson | FLFB Fat Boy 107 |
| 2019 | Harley-Davidson | FLHC Heritage Classic 107 |
| 2019 | Harley-Davidson | FLSB Sport Glide 107 |
| 2019 | Harley-Davidson | FLSL Softail Slim 107 |
| 2019 | Harley-Davidson | FXBB Street Bob 107 |
| 2019 | Harley-Davidson | FXBR Breakout 107 |
| 2019 | Harley-Davidson | FXFB Fat Bob 107 |
| 2019 | Harley-Davidson | FXLR Low Rider 107 |
| 2020 | Harley-Davidson | FLDE Deluxe 107 |
| 2020 | Harley-Davidson | FLHC Heritage Classic 107 |
| 2020 | Harley-Davidson | FLSB Sport Glide 107 |
| 2020 | Harley-Davidson | FLSL Softail Slim 107 |
| 2020 | Harley-Davidson | FXBB Street Bob 107 |
| 2020 | Harley-Davidson | FXLR Low Rider 107 |
| 2020 | Harley-Davidson | FXST Softail Standard 107 |
| 2021 | Harley-Davidson | FLHC Heritage Classic 107 |
| 2021 | Harley-Davidson | FLSB Sport Glide 107 |
| 2021 | Harley-Davidson | FLSL Softail Slim 107 |
| 2021 | Harley-Davidson | FXST Softail Standard 107 |
| 2022 | Harley-Davidson | FXST Softail Standard 107 |
| 2023 | Harley-Davidson | FXST Softail Standard 107 |
Fitment details provided by supplier.
