Features
- 132" high compression kit will work on 114"/117" motors with 4-1/2" stroke flywheels only
- To achieve 136" big bore, S&S flywheel with 4-5/8" stroke is required (sold seperately).
Specs
| Color/Finish | Black |
| Stroke Length | 4-5/8" |
| Features | +8.5 cc Dome Volume |
| Product Name | Big Bore Kit |
| Type | High Compression |
| Color/Finish | Highlighted Fins |
| Units | Kit |
| Riding Style | Street |
| Bore Size | 4.320" |
| Displacement | 132" |
| Displacement | 136" |
| Stroke Length | 4-1/2" |
| 2017-2021 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE |
| 2017-2022 | Harley-Davidson | CVO Street Glide FLHXSE |
| 2017-2025 | Harley-Davidson | Electra Glide Police FLHTPI |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU |
| 2017-2024 | Harley-Davidson | Electra Glide Ultra Limited FLHTK |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL |
| 2017-2026 | Harley-Davidson | Road Glide FLTRX/FLTRXS |
| 2017-2019 | Harley-Davidson | Road Glide Ultra FLTRU |
| 2017-2022 | Harley-Davidson | Road King FLHR |
| 2017-2022 | Harley-Davidson | Road King Police FLHP |
| 2017-2025 | Harley-Davidson | Road King Special FLHRXS |
| 2017-2026 | Harley-Davidson | Street Glide FLHX/FLHXS |
| 2018-2020 | Harley-Davidson | Softail Breakout 114 FXBRS |
| 2018-2023 | Harley-Davidson | Softail Fat Bob 114 FXFBS |
| 2018-2024 | Harley-Davidson | Softail Fat Boy 114 FLFBS |
| 2018-2024 | Harley-Davidson | Softail Heritage Classic 114 FLHCS |
| 2019-2022 | Harley-Davidson | Electra Glide Standard FLHT |
| 2019-2020 | Harley-Davidson | FXDR 114 (FXDRS) |
| 2020-2024 | Harley-Davidson | Road Glide Limited FLTRK |
| 2020-2025 | Harley-Davidson | Softail Low Rider S FXLRS |
| 2021 | Harley-Davidson | Electra Glide Revival FLH |
| 2021-2024 | Harley-Davidson | Softail Street Bob 114 FXBBS |
| 2022 | Harley-Davidson | CVO Road Glide Limited FLTRKSE |
| 2022-2023 | Harley-Davidson | Road Glide ST FLTRXST |
| 2022 | Harley-Davidson | Softail Low Rider El Diablo FXRST |
| 2022-2025 | Harley-Davidson | Softail Low Rider ST FXLRST |
| 2022,2025 | Harley-Davidson | Softail Street Bob FXBB |
| 2022-2023 | Harley-Davidson | Street Glide ST FLHXST |
| 2023 | Harley-Davidson | Electra Glide Highway King FLHFB |
| 2023-2025 | Harley-Davidson | Softail Breakout FXBR |
| 2024 | Harley-Davidson | Hydra-Glide Revival FLI |
| 2025 | Harley-Davidson | Softail Fat Boy FLFB |
| 2025 | Harley-Davidson | Softail Heritage Classic FLHC |
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.Payment & Security
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