S&S Cycle 129" Power Package Engine Performance Kit for '17-Up Harley Davidson M-8 Models - GEAR Drive/Oil Cooled - Wrinkle Black/ Highlighted Fins - Chrome Pushrod Tubes
Wrinkle black w/ highlighted fins and chrome pushrod tubes, gear drive cam
- Transform 107" oil-cooled M8 into 129"
- Big bore cylinders come with matching cam, cam plate and oil pump
- Original engine serial numbers are retained
- MLS (multi-layered steel) head gaskets
- Performance matched 550 cam
- Works with stock crankcase
Specs
| PRODUCT NAME | PERFORMANCE KIT |
| TYPE | ENGINE |
| STYLE | BIG BORE |
| MODEL | POWER PACKAGE |
| COLOR/FINISH | WRINKLE BLACK / HIGHLIGHTED CYLINDER FINS |
| FEATURES | CHROME PUSHROD TUBES |
| STROKE LENGTH | 4.375" |
| DISPLACEMENT | 129" |
| BORE SIZE | 4.320" |
| CAM DRIVE TYPE | GEAR |
| COOLING SYSTEM | OIL COOLED |
| UNITS | KIT |
| RIDING STYLE | STREET |
DISCLAIMER: Not legal for sale or use in California on any pollution controlled motor vehicles.
Fitments
| 2022-2023 | Harley-Davidson | Softail Low Rider ST FXLRST |
| 2022-2023 | Harley-Davidson | Road Glide ST FLTRXST |
| 2022-2023 | Harley-Davidson | Street Glide ST FLHXST |
| 2021 | Harley-Davidson | Electra Glide Revival |
| 2020-2023 | Harley-Davidson | Softail Standard FXST |
| 2020-2023 | Harley-Davidson | Softail Low Rider S FXLRS |
| 2019-2022 | Harley-Davidson | Electra Glide Standard EFI FLHTI |
| 2019-2020 | Harley-Davidson | FXDR 114 |
| 2018-2023 | Harley-Davidson | Softail Fat Bob 114 FXFBS |
| 2018-2023 | Harley-Davidson | Softail Fat Boy 114 FLFBS |
| 2018-2023 | Harley-Davidson | Softail Heritage Classic 114 FLHCS |
| 2018-2023 | Harley-Davidson | Softail Street Bob FXBB |
| 2018-2022 | Harley-Davidson | CVO Road Glide Custom FLTRXSE |
| 2018-2021 | Harley-Davidson | Softail Slim FLSL |
| 2018-2021 | Harley-Davidson | Softail Heritage Classic FLHC |
| 2018-2021 | Harley-Davidson | Softail Sport Glide FLSB |
| 2018-2020 | Harley-Davidson | Softail Breakout 114 FXBRS |
| 2018-2020 | Harley-Davidson | Softail Deluxe FLDE |
| 2018-2020 | Harley-Davidson | Softail Low Rider FXLR |
| 2018-2019, 2023 | Harley-Davidson | Softail Breakout FXBR |
| 2018-2019 | Harley-Davidson | Softail Fat Boy FLFB |
| 2018-2019 | Harley-Davidson | Softail Fat Bob FXFB |
| 2017-2023 | Harley-Davidson | Road Glide Special FLTRXS |
| 2017-2023 | Harley-Davidson | Street Glide Special FLHXS |
| 2017-2023 | Harley-Davidson | Road King Special FLHRXS |
| 2017-2023 | Harley-Davidson | Road Glide Custom FLTRX |
| 2017-2023 | Harley-Davidson | Street Glide EFI FLHX |
| 2017-2022 | Harley-Davidson | Road King EFI FLHR |
| 2017-2022 | Harley-Davidson | CVO Street Glide FLHXSE |
| 2017-2021 | Harley-Davidson | Electra Glide Police FLHTPI |
| 2017-2019 | Harley-Davidson | Road Glide Ultra FLTRU |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI |
