S&S 128″ Big Bore Kit for 114″/117″ M8 Engines – Black Granite w/ Highlights
Original price was: $1,643.95.$199.75Current price is: $199.75.
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Description
Product Description
128″ Big Bore Kit for the 114″/117″ M8 Harley models. Black Granite with highlighted fins. Features an updated cylinder to fit both Gen 1 and Gen 2 M8 models.
Fits: 2017-2023 117″ M-Eight Motors
- Bolt-on kit, the largest cylinder bore possible without required machining of the crankcases
- 4.50″ bore
- 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.
NOTE: Not for 121″ CVO models.
Fitment
| Year | Make | Model |
|---|---|---|
| 2017 – 2019 | Harley-Davidson | Electra Glide Ultra Limited FLHTK |
| 2017 – 2019 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL |
| 2017 – 2019 | Harley-Davidson | Freewheeler FLRT |
| 2019 | Harley-Davidson | FXDR 114 |
| 2017 – 2019 | Harley-Davidson | Road Glide Special FLTRXS |
| 2017 – 2019 | Harley-Davidson | Road Glide Ultra FLTRU |
| 2017 – 2019 | Harley-Davidson | Road King Special FLHRXS |
| 2018 – 2019 | Harley-Davidson | Softail Breakout 114 FXBRS |
| 2018 – 2019 | Harley-Davidson | Softail Fat Bob 114 FXFBS |
| 2018 – 2019 | Harley-Davidson | Softail Fat Boy 114 FLFBS |
| 2018 – 2019 | Harley-Davidson | Softail Heritage Classic 114 FLHCS |
| 2017 – 2019 | Harley-Davidson | Street Glide Special FLHXS |
| 2017 – 2019 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG |
Additional Information
| MPN | 910-0733A |
Emissions Notice Fitment






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