Harley-Davidson Screamin’ Eagle 4.31 In. Big Bore Bolt-On Cylinders

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.

• Black Highlighted

• Kit includes front and rear cylinders and gaskets

• Screamin’ Eagle products are not available for sale and are not street legal in all countries. Please contact your local dealer for more information

Details

Replacement cylinders for '23-later FLHXSE and FLTRXSE and '24-later FLHX, FLTRX and FLTRXSTSE and '25-later FLHXU models equipped with a 131ci/135ci Stage IV kit or 135ci Crate Engine.