Description
S&S Cycle - 910-0733A - 128" Big Bore Cylinder Kit - 4.250" Bore, 4.500" Stroke - Black Granite w/ Highlighted Fins - Fits '17-Up M8 114"/117" Models
Fits: '17-Up M8 114"/117" Models. Full year/model list is on the Fitment tab.
Bolt-on 128" big bore cylinder kit for 114" and 117" Milwaukee-Eight motors. 4.250" bore on the stock 4.500" stroke with the updated cylinder profile and stock 4.840" bolt pattern, so the cases stay in the bike. Not for 121" CVO models.
Sold as a kit. Genuine S&S Cycle, made in the USA.
Features
- 4.250" bore
- Updated profile with stock bolt pattern 4.840"
- Not for 121" CVO models.
S&S Cycle part 910-0733A · Drag Specialties SKU 09311192
Specs
| Brand | S&S Cycle |
| Part Number | 910-0733A |
| Displacement | 128" |
| Bore Size | 4.25" |
| Stroke Length | 4.500" |
| Compression Ratio | 11.0:1 |
| Style | Bolt-On |
| Model | Big Bore |
| Color/Finish | Black Granite, Highlighted Fins |
| Units | Kit |
| Drag Specialties SKU | 09311192 |
Fitment
| 2017-2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2017-2019 | Harley-Davidson | FLHTKL Ultra Limited Low |
| 2017-2019 | Harley-Davidson | FLTRU Road Glide Ultra |
| 2017-2021 | Harley-Davidson | FLHTKSE CVO Limited |
| 2017-2022 | Harley-Davidson | FLHR Road King |
| 2017-2023 | Harley-Davidson | FLHXS Street Glide Special |
| 2017-2023 | Harley-Davidson | FLHXSE CVO Street Glide |
| 2017-2023 | Harley-Davidson | FLTRXS Road Glide Special |
| 2017-2024 | Harley-Davidson | FLHTK Ultra Limited |
| 2017-2025 | Harley-Davidson | Electra Glide Police FLHTPI |
| 2017-2025 | Harley-Davidson | FLHX Street Glide |
| 2017-2025 | Harley-Davidson | Road King Police FLHP |
| 2017-2025 | Harley-Davidson | FLHRXS Road King Special |
| 2017-2025 | Harley-Davidson | FLTRX Road Glide |
| 2018-2020 | Harley-Davidson | FXBRS Breakout 114 |
| 2018-2023 | Harley-Davidson | FXFBS Fat Bob 114 |
| 2018-2024 | Harley-Davidson | FLFBS Fat Boy 114 |
| 2018-2024 | Harley-Davidson | FLHCS Heritage Classic 114 |
| 2019-2020 | Harley-Davidson | FXDRS FXDR 114 |
| 2019-2022 | Harley-Davidson | FLHT Electra Glide Standard |
| 2020-2021 | Harley-Davidson | FXLRS Low Rider S 114 |
| 2020-2024 | Harley-Davidson | FLTRK Road Glide Limited |
| 2021 | Harley-Davidson | FLH Electra Glide Revival |
| 2021-2024 | Harley-Davidson | FXBBS Street Bob 114 |
| 2022 | Harley-Davidson | FXRST Low Rider El Diablo 117 |
| 2022-2023 | Harley-Davidson | FLTRKSE CVO Road Glide Limited |
| 2022-2023 | Harley-Davidson | FLHXST Street Glide ST |
| 2022-2023 | Harley-Davidson | FLTRXST Road Glide ST |
| 2022-2025 | Harley-Davidson | FXLRS Low Rider S 117 |
| 2022-2025 | Harley-Davidson | FXLRST Low Rider ST 117 |
| 2022, 2025 | Harley-Davidson | Softail Street Bob FXBB |
| 2023 | Harley-Davidson | FLHFB Electra Glide Highway King |
| 2023-2025 | Harley-Davidson | FXBR Breakout 117 |
| 2024 | Harley-Davidson | FLI Hydra-Glide Revival |
| 2024-2025 | Harley-Davidson | Road Glide Police FLTRXP |
| 2025 | Harley-Davidson | Softail Breakout FXBR |
| 2025 | Harley-Davidson | Street Glide EFI FLHX |
| 2025 | Harley-Davidson | Softail Low Rider ST FXLRST |
| 2025 | Harley-Davidson | Road Glide Custom FLTRX |
| 2025 | Harley-Davidson | Softail Fat Boy FLFB |
| 2025 | Harley-Davidson | Softail Low Rider S FXLRS |
| 2025 | Harley-Davidson | FLHXU Street Glide Ultra |
| 2025 | Harley-Davidson | FLHC Heritage Classic 117 |
