Billet cylinder kit for the Yamaha 1100 and 1200 non-powervalve engines. This kit is for use with a 73mm(+5mm) stroke and standard Yamaha pistons. Sleeves are setup for 84-86mm bore sizes. This kit includes billet cylinder, billet head, and sleeves(not installed). Cylinder will require finish porting by hand, installation of sleeves, and bored to fit desired piston size. Domes will need to be purchased separately. You can use any of our Yamaha domes, depending on your bore size.