A spinal implant includes a first member having an inner surface defining an implant cavity and at least one mating element. A second member includes a head and a shaft configured to penetrate tissue. The head includes at least one mating element engageable with the at least one mating element of the first member and a part. A third member includes an inner surface engageable with the part such that the members comprise a bone fastener having a selected movement. Systems, instruments and methods are disclosed.