Description
Go BIG or go home! Convert your 114 inch to 128 inches! Check out this bolt on 128 inch Big Bore kit from S&S! This kit is available for 114 M8 models in finishes in both highlighted and non highlighted versions.
The 128 inch Big Bore kit for Harley-Davidson Milwaukee Eight engines are a bolt on kit and require no machining.
The kits include all gaskets and hardware required for installation.
- 4.250 inch bore
- 4.5 inch stroke
- Forged Pistons
- 11:1 compression ratio
- Made in USA
910-0684 Highlighted Fins
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