S&S Cycle 129" Cylinder Kit - 4.375" Stroke - Wrinkle Black w/Highlighted Fins - M8
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- Original engine serial numbers are retained
- MLS (Multi-Layered Steel) head gaskets
- Retains stock engine height
- Stock bolt pattern
- Works with stock crankcase.
- Not compatible with VVT models.
Not Legal For Sale Or Use In California On Any Pollution Controlled Motor Vehicle or Carb Compliant.
| Vendor Part Number | 9100843A |
|---|---|
| Package Height | 10.75 |
| Package Length | 18.75 |
| Package Width | 14.75 |
| Parts Unlimited # | 0931-1205 |
| Bore Size Imperial | 4.320" |
| Brand | S&S Cycle |
| Color/Finish | Highlighted Fins |
| Compression Ratio | 11.0:1 |
| Displacement | 129" |
| Riding Style | Street |
| Stroke Length (in) | 4.375" |
| Type | Big Bore |
| Unit of Measure | Kit |
| YEAR | MAKE | MODEL |
|---|---|---|
| 2017 - 2023 | Harley-Davidson | Electra Glide Police FLHTPI |
| 2018 - 2020 | Harley-Davidson | FLDE Deluxe 107 |
| 2018 - 2019 | Harley-Davidson | FLFB Fat Boy 107 |
| 2021 | Harley-Davidson | FLH Electra Glide Revival |
| 2018 - 2021 | Harley-Davidson | FLHC Heritage Classic 107 |
| 2017 - 2022 | Harley-Davidson | FLHR Road King |
| 2017 - 2023 | Harley-Davidson | FLHRXS Road King Special |
| 2019 - 2022 | Harley-Davidson | FLHT Electra Glide Standard |
| 2017 - 2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2017 - 2023 | Harley-Davidson | FLHTCUTG Tri Glide Ultra |
| 2017 - 2023 | Harley-Davidson | FLHTK Ultra Limited |
| 2017 - 2019 | Harley-Davidson | FLHTKL Ultra Limited Low |
| 2017 - 2023 | Harley-Davidson | FLHX Street Glide |
| 2017 - 2023 | Harley-Davidson | FLHXS Street Glide Special |
| 2022 - 2023 | Harley-Davidson | FLHXST Street Glide ST |
| 2017 - 2023 | Harley-Davidson | FLRT Freewheeler |
| 2018 - 2021 | Harley-Davidson | FLSB Sport Glide 107 |
| 2018 - 2021 | Harley-Davidson | FLSL Softail Slim 107 |
| 2020 - 2023 | Harley-Davidson | FLTRK Road Glide Limited |
| 2017 - 2019 | Harley-Davidson | FLTRU Road Glide Ultra |
| 2017 - 2023 | Harley-Davidson | FLTRX Road Glide |
| 2017 - 2023 | Harley-Davidson | FLTRXS Road Glide Special |
| 2022 - 2023 | Harley-Davidson | FLTRXST Road Glide ST |
| 2018 - 2020 | Harley-Davidson | FXBB Street Bob 107 |
| 2021 - 2023 | Harley-Davidson | FXBBS Street Bob 114 |
| 2018 - 2019 | Harley-Davidson | FXBR Breakout 107 |
| 2023 | Harley-Davidson | FXBR Breakout 117 |
| 2018 - 2019 | Harley-Davidson | FXFB Fat Bob 107 |
| 2018 - 2020 | Harley-Davidson | FXLR Low Rider 107 |
| 2020 - 2021 | Harley-Davidson | FXLRS Low Rider S 114 |
| 2022 - 2023 | Harley-Davidson | FXLRS Low Rider S 117 |
| 2022 - 2023 | Harley-Davidson | FXLRST Low Rider ST 117 |
| 2020 - 2023 | Harley-Davidson | FXST Softail Standard 107 |
| 2022 | Harley-Davidson | Softail Street Bob FXBB |
Fitment Disclosure
For reference only, please consult your owner’s manual to confirm your fitment.
General Safety Warning
Failure to follow the manufacturer's recommendations and requirements can cause product failure resulting in serious injury or death. While effort has been taken to collect accurate fitment information, 43 Moto accepts no liability for loss or damage resulting from errors or omissions. If you believe any of the information provided is erroneous, please email [email protected].