A spinal implant includes a post with a receiver having a first mating surface and a stop. A connector defines an implant cavity. The connector includes a base having a second mating surface being positionable with the first mating surface to attach the connector with the receiver. The base defines a transverse passageway. A securing element is disposable in the passageway and engageable with the stop. In some embodiments, systems, surgical instruments, implants and methods are disclosed.