Part Number: 11-0565 Manufacturer: V-Twin UOM: 1 - KIT Summary:Big bore cylinder kit for 883-1200 conversion on Sportster models. Increase your horsepower with our V-Twin 883cc to 1200cc big bore conversion kit. Our kit includes 2 silver finished cylinders with milled edge fin. Cylinders are pre-fitted with Wiseco 10:1 piston and ring set. Kit will fit 1986-2003 XL's. Order head base gasket separately. Fitment: XL 1986-2003 Tech. Notes:Does not require any machiningMeasurements: Piston Size: 3.4965Cylinder Size: 3.4985Country of Origin: Imported