An implantable spinal disk including an external shell, first endplate, second endplate and core component. The external shell includes sidewalls, a back wall, a front wall, a top surface and a bottom surface forming a compartment. The first endplate includes a first base, first top and first attachment devices. The first base is disposed in the compartment. The first top is disposed in a first opening in the top surface. The first attachment devices extend from within the first top portion. The second endplate includes a second base, second top and second attachment devices. The second base is disposed in the compartment. The second top is disposed in a second opening in the bottom surface. The second attachment devices extend from the second top. The core component is disposed in the compartment between the first endplate and the second endplate.