Not recommended for FL Trike.
Features
- 4.250" bore
- Updated profile with stock bolt pattern 4.840"
- Made in the USA
- Works with stock crankcases.
Specs
| Style | Bolt-On |
| Color/Finish | Highlighted Fins |
| Units | Kit |
| Stroke Length | 4.375" |
| Bore Size | 4.25" |
| Riding Style | Street |
| Compression Ratio | 11.0:1 |
| Displacement | 124" |
| Product Name | Cylinder Kit |
| Model | Big Bore |
| 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 | FLSB Sport Glide 107 |
| 2022 | Harley-Davidson | FXST Softail Standard 107 |
| 2023 | Harley-Davidson | FLSB Sport Glide 107 |
| 2023 | Harley-Davidson | FXST Softail Standard 107 |
| 2024 | Harley-Davidson | FLSB Sport Glide 107 |
| 2024 | Harley-Davidson | FXST Softail Standard 107 |
Fitment details provided by supplier.
Product Videos
Custom Field
Color/Finish Highlighted Fins
