S&S 124″ Big Bore Kit for 107″ M8 Engines – All Black
Original price was: $1,643.95.$199.83Current price is: $199.83.
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Description
Product Description
124″ Big Bore Kit for the 107″ M8 Harley models. All Black finish. Features an updated cylinder to fit both Gen 1 and Gen 2 M8 models.
Fits: 2017-2025 107″ M-Eight Motors
- Bolt-on kit is the largest possible bore that does not require machining of the crankcases
- 4.250″ bore, 4.375″ stroke
- 11:1 forged pistons with rings, pins and clips
- All gaskets and hardware required for installation included
- Wrinkle black finish
- Made in the U.S.A.
Fitment
| 2025 | Harley-Davidson | Softail Fat Boy FLFB | – | – |
| 2025 | Harley-Davidson | Street Glide Ultra FLHXU | – | – |
| 2025 | Harley-Davidson | Road Glide Custom FLTRX | – | – |
| 2025 | Harley-Davidson | Street Glide EFI FLHX | – | – |
| 2025 | Harley-Davidson | Softail Heritage Classic FLHC | – | – |
| 2025 | Harley-Davidson | Softail Low Rider ST FXLRST | – | – |
| 2025 | Harley-Davidson | Softail Low Rider S FXLRS | – | – |
| 2025 | Harley-Davidson | Softail Breakout FXBR | – | – |
| 2024-2025 | Harley-Davidson | Road Glide Police FLTRXP | – | – |
| 2024 | Harley-Davidson | FLI Hydra-Glide Revival | – | – |
| 2023-2025 | Harley-Davidson | FXBR Breakout 117 | – | – |
| 2023 | Harley-Davidson | FLHFB Electra Glide Highway King | – | – |
| 2022-2025 | Harley-Davidson | FXLRS Low Rider S 117 | – | – |
| 2022-2025 | Harley-Davidson | FXLRST Low Rider ST 117 | – | – |
| 2022-2023 | Harley-Davidson | FLTRXST Road Glide ST | – | – |
| 2022-2023 | Harley-Davidson | FLTRKSE CVO Road Glide Limited | – | – |
| 2022-2023 | Harley-Davidson | FLHXST Street Glide ST | – | – |
| 2022, 2025 | Harley-Davidson | Softail Street Bob FXBB | – | – |
| 2022 | Harley-Davidson | FXRST Low Rider El Diablo 117 | – | – |
| 2021-2024 | Harley-Davidson | FXBBS Street Bob 114 | – | – |
| 2021 | Harley-Davidson | FLH Electra Glide Revival | – | – |
| 2020-2024 | Harley-Davidson | FLTRK Road Glide Limited | – | – |
| 2020-2024 | Harley-Davidson | FXST Softail Standard 107 | – | – |
| 2020-2021 | Harley-Davidson | FXLRS Low Rider S 114 | – | – |
| 2019-2022 | Harley-Davidson | FLHT Electra Glide Standard | – | – |
| 2019-2020 | Harley-Davidson | FXDRS FXDR 114 | – | – |
| 2018-2024 | Harley-Davidson | FLHCS Heritage Classic 114 | – | – |
| 2018-2024 | Harley-Davidson | FLFBS Fat Boy 114 | – | – |
| 2018-2023 | Harley-Davidson | FXFBS Fat Bob 114 | – | – |
| 2018-2021 | Harley-Davidson | FLSL Softail Slim 107 | – | – |
| 2018-2021 | Harley-Davidson | FLSB Sport Glide 107 | – | – |
| 2018-2021 | Harley-Davidson | FLHC Heritage Classic 107 | – | – |
| 2018-2020 | Harley-Davidson | FLDE Deluxe 107 | – | – |
| 2018-2020 | Harley-Davidson | FXBB Street Bob 107 | – | – |
| 2018-2020 | Harley-Davidson | FXBRS Breakout 114 | – | – |
| 2018-2020 | Harley-Davidson | FXLR Low Rider 107 | – | – |
| 2018-2019 | Harley-Davidson | FXBR Breakout 107 | – | – |
| 2018-2019 | Harley-Davidson | FLFB Fat Boy 107 | – | – |
| 2018-2019 | Harley-Davidson | FXFB Fat Bob 107 | – | – |
| 2017-2025 | Harley-Davidson | FLHRXS Road King Special | – | – |
| 2017-2025 | Harley-Davidson | FLHX Street Glide | – | – |
| 2017-2025 | Harley-Davidson | FLTRX Road Glide | – | – |
| 2017-2025 | Harley-Davidson | Electra Glide Police FLHTPI | – | – |
| 2017-2025 | Harley-Davidson | Road King Police FLHP | – | – |
| 2017-2024 | Harley-Davidson | FLHTK Ultra Limited | – | – |
| 2017-2023 | Harley-Davidson | FLTRXS Road Glide Special | – | – |
| 2017-2023 | Harley-Davidson | FLHXS Street Glide Special | – | – |
| 2017-2023 | Harley-Davidson | FLHXSE CVO Street Glide | – | – |
| 2017-2022 | Harley-Davidson | FLHR Road King | – | – |
| 2017-2021 | Harley-Davidson | FLHTKSE CVO Limited | – | – |
| 2017-2019 | Harley-Davidson | FLHTKL Ultra Limited Low | – | – |
| 2017-2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | – | – |
| 2017-2019 | Harley-Davidson | FLTRU Road Glide Ultra | – | – |
Additional Information
| MPN | 910-0681A |
Emissions Notice Fitment
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