910-0843A 129" big bore kit. Black cylinders / highlighted fins
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Specifications
- Brand
- S&S
- Part Number
- 910-0843A
- OEM Reference
- —
- Pack Quantity
- Each
- Category
- Cylinder And Piston Kits
- VAT Rate
- 20%
About This Product
S&S 129-inch big bore kit with black cylinders and highlighted fins. It fits 2017 to 2024 Milwaukee-Eight models that left the factory with the 107-inch engine. Displacement goes to 2102cc. You keep the stock crankcases and flywheels. Stock engine height stays the same. The kit works with original heads. You get forged 4.320-inch pistons, black wrinkle powder-coated cylinders with highlighted fins, MLS head gaskets, and an S&S cam cover badge. Fuel injection tuning is required.
Manufacturer part number: 910-0843A.
Fitment
19 models17-24 M8 with 107" engine
Softail 9 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2018–2020 | Deluxe FLDE |
| Harley-Davidson | 2019 | Fat Boy FLFB |
| Harley-Davidson | 2018–2021 | Heritage Classic FLHC |
| Harley-Davidson | 2018–2020 | Low Rider FXLR |
| Harley-Davidson | 2018–2021 | Slim FLSL |
| Harley-Davidson | 2019 | Softail Slim FLSL |
| Harley-Davidson | 2021–2024 | Softail Standard FXST |
| Harley-Davidson | 2018–2021 | Sport Glide FLSB |
| Harley-Davidson | 2018–2020 | Street Bob FXBB |
Touring 10 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2017–2018 | Electra Glide Ultra Classic FLHTCU |
| Harley-Davidson | 2017–2019 | Road Glide FLTRX |
| Harley-Davidson | 2017–2019 | Road King FLHR |
| Harley-Davidson | 2018 | Street Glide Anniversary FLHX |
| Harley-Davidson | 2017–2020 | Street Glide FLHX |
| Harley-Davidson | 2018 | Ultra Limited Anniversary FLHTK |
| Harley-Davidson | 2018–2020 | Ultra Limited FLHTK |
| Harley-Davidson | 2017–2019 | Ultra Limited Low FLHTKL |
| Harley-Davidson | 2018–2020 | Ultra Limited Shrine Edition FLHTK |
| Harley-Davidson | 2017 | Ultra Limited Shrine FLHTK |
Planning other changes? Find your model in the bike customiser.
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