Product Description
OPEN BOX / SALE ITEM. ORDERED FOR A BUILD - NEVER INSTALLED. EXCELLENT CONDITION.
The biggest Big Bore slip on kit available, S&S 129" Big Bore Kit for the 107" M8 Harley models. Kit features Highlighted cylinders.
Fits: 2017-2023 M8 107" Harley Models
- Bolt-on kit, the largest cylinder bore possible without required machining of the crankcases
- Huge bore increase means huge power increase
- Works with stock crankcases (no machine work)
- Powder coat finish matches factory finish
- MLS (multi-layered steel) head gaskets
- 4.320" Bore
- Retains stock engine height
- Includes Cubic Inch Cam Cover Badge
- Made in USA
Fitment
| 2023 | Harley-Davidson | FXBR Breakout 117 | - | - |
| 2022-2023 | Harley-Davidson | FLHXST Street Glide ST | - | - |
| 2022-2023 | Harley-Davidson | FLTRXST Road Glide ST | - | - |
| 2022-2023 | Harley-Davidson | FXLRST Low Rider ST 117 | - | - |
| 2022-2023 | Harley-Davidson | FXLRS Low Rider S 117 | - | - |
| 2022 | Harley-Davidson | Softail Street Bob FXBB | - | - |
| 2021, 2023 | Harley-Davidson | FXBBS Street Bob 114 | - | - |
| 2021 | Harley-Davidson | FLH Electra Glide Revival | - | - |
| 2020-2023 | Harley-Davidson | FLTRK Road Glide Limited | - | - |
| 2020-2023 | Harley-Davidson | FXST Softail Standard 107 | - | - |
| 2020-2021 | Harley-Davidson | FXLRS Low Rider S 114 | - | - |
| 2019-2022 | Harley-Davidson | FLHT Electra Glide Standard | - | - |
| 2018-2021 | Harley-Davidson | FLSB Sport Glide 107 | - | - |
| 2018-2021 | Harley-Davidson | FLSL Softail Slim 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 | FXLR Low Rider 107 | - | - |
| 2018-2019 | Harley-Davidson | FXFB Fat Bob 107 | - | - |
| 2018-2019 | Harley-Davidson | FLFB Fat Boy 107 | - | - |
| 2018-2019 | Harley-Davidson | FXBR Breakout 107 | - | - |
| 2017-2023 | Harley-Davidson | FLHRXS Road King Special | - | - |
| 2017-2023 | Harley-Davidson | FLHTK Ultra Limited | - | - |
| 2017-2023 | Harley-Davidson | FLHXS Street Glide Special | - | - |
| 2017-2023 | Harley-Davidson | FLTRXS Road Glide Special | - | - |
| 2017-2023 | Harley-Davidson | FLHTCUTG Tri Glide Ultra | - | - |
| 2017-2023 | Harley-Davidson | FLRT Freewheeler | - | - |
| 2017-2023 | Harley-Davidson | FLTRX Road Glide | - | - |
| 2017-2023 | Harley-Davidson | FLHX Street Glide | - | - |
| 2017-2023 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
| 2017-2022 | Harley-Davidson | FLHR Road King | - | - |
| 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
| 129" Big Bore Kit - Highlighted Cylinders | 910-0843 |