S&S Cycle 129″ Big Bore Kit 4.375″ Stroke for 107″ M8 Models
Original price was: $1,595.95.$199.51Current price is: $199.51.
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Description
Product Description
The biggest Big Bore slip on kit available, S&S 129″ Big Bore Kit for the 107″ M8 Harley models. Choose between Highlighted and Non-Highlighted cylinders.
Fits: 2017-2022 M-Eight 107″ Harley Models
- Bolt-on kit, the largest cylinder bore possible without required machining of the crankcases
- Huge bore increase means huge power increase
- Works with stock crankcases (no machine work)
- Powder coat finish matches factory finish
- MLS (multi-layered steel) head gaskets
- 4.320″ Bore
- Retains stock engine height
- Includes Cubic Inch Cam Cover Badge
- Made in USA
Additional Information
| 129″ Big Bore Kit – Highlighted Cylinders | 910-0843 |
| 129″ Big Bore Kit – Non-Highlighted Cylinders | 910-0844 |
Emissions Notice Fitment
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