Increase the displacement of your Milwaukee-Eight® engine without removing the engine from the chassis. The Screamin’ Eagle product team has engineered a patent protected 4.31” Big Bore Cylinder that increases the internal bore but slips into the existing case bore without modification.
...Read MoreReplacement cylinders for '23-Later FLHXSE and FLTRXSE and '24-later FLHX, FLTRX, and FLTRXSTSE models equipped with a 131ci/135ci Stage IV kit or 135ci Crate Engine.