Devices, systems and methods for dilating tissue of a patient during a minimally invasive surgical procedure is disclosed. A surgical dilation system includes a dilator having an elongated, non-cannulated cylindrical body extending between a first end and an opposite second end. The first end includes a first beveled configuration and the second end includes a second, different beveled configuration. The beveled ends can include surface features to provide tissue removal and to enhance engagement with bony tissue.