S&S 128ci Big Bore Kit With Highlighted Fins Black. M8
Upgrades Milwaukee-Eight 114ci to 128ci, 114ci to 128ci Big Bore Kit, 4.250in. Bore, 4.500in. Stroke (4-1/2in.), Forged Pistons, 11.1 Compression Ratio, Wrinkle Black Finish, Highlighted Fins, S&S PART No: 910-0684. Never used is in as new.