Flat Top big bore cylinder 61x [u2417] Used flat top big bore cylinder with matching base gasket for perfect fitting. Used cylinder, bore 86mm, pistons are not included, you will need to bore it to next size for perfect fitting. Nice power performance part that need a bit of TLC. You could also have it resleeved with big bore sleeve and start a new life at 85mm bore with kawasaki flat top pistons. Price for sale, sold as is...