An apparatus for enabling a spinal fusion treatment and including a variable lordotic interbody spacer, the apparatus comprising: a face plate having a front surface and a rear surface, superior and inferior endplates (11, 12), each of the endplates (11, 12) having first and second endplate arms (11a, 11b, 12a, 12b) coupled by an endplate base (11c, 12c) in a generally U-shaped configuration, each endplate arm coupled to the rear surface of the face plate via a hinge (21, 22) opposite from the base (11c, 12c), and each endplate arm having a ramp recess (46, 47) on a top surface and a bottom surface; an actuation frame positioned between the superior endplate and the inferior endplate, the actuation frame having first and second frame arms (13a, 13b) coupled by a frame base in a generally U-shaped configuration, each frame arm (13a, 13b) having an actuation ramp pin (66, 67) on a top surface and on a bottom surface fitted to a corresponding ramp recess, the actuation frame further including a receptacle formed at the inside of the frame base between each frame arm (13a, 13b); and an actuation screw having a head, body and threaded end, the actuation screw body passing through the actuation channel, the head retained at the front surface and the threaded end threadably coupled to the receptacle of the actuation frame, wherein, when operated, the actuation screw moves the actuation frame between the superior endplate and the inferior endplate to adjust an angle formed there between, characterized in that the face plate further has at least one actuation channel and at least two stabilizer channels (15, 16) formed through a portion of the face plate; each frame arm (13a, 13b) has a stabilizer feature (26, 27) opposite from the frame base and configured to pass through a corresponding stabilizer channel (15, 16) and the hinge (21, 22) comprises tabs (21c, 22c) located on an end of each endplate arm (11a, 11b, 12a, 12b) coupled to the rear surface of the face plate via pins (21a, 22a), wherein the tabs (21c, 22c) are fastened, via the pins (21a, 22a), to the rear surface of the face plate at corresponding pin recesses (38a-38d). a face plate having a front surface and a rear surface, superior and inferior endplates (11, 12), each of the endplates (11, 12) having first and second endplate arms (11a, 11b, 12a, 12b) coupled by an endplate base (11c, 12c) in a generally U-shaped configuration, each endplate arm coupled to the rear surface of the face plate via a hinge (21, 22) opposite from the base (11c, 12c), and each endplate arm having a ramp recess (46, 47) on a top surface and a bottom surface; an actuation frame positioned between the superior endplate and the inferior endplate, the actuation frame having first and second frame arms (13a, 13b) coupled by a frame base in a generally U-shaped configuration, each frame arm (13a, 13b) having an actuation ramp pin (66, 67) on a top surface and on a bottom surface fitted to a corresponding ramp recess, the actuation frame further including a receptacle formed at the inside of the frame base between each frame arm (13a, 13b); and an actuation screw having a head, body and threaded end, the actuation screw body passing through the actuation channel, the head retained at the front surface and the threaded end threadably coupled to the receptacle of the actuation frame, wherein, when operated, the actuation screw moves the actuation frame between the superior endplate and the inferior endplate to adjust an angle formed there between, characterized in that the face plate further has at least one actuation channel and at least two stabilizer channels (15, 16) formed through a portion of the face plate; each frame arm (13a, 13b) has a stabilizer feature (26, 27) opposite from the frame base and configured to pass through a corresponding stabilizer channel (15, 16) and the hinge (21, 22) comprises tabs (21c, 22c) located on an end of each endplate arm (11a, 11b, 12a, 12b) coupled to the rear surface of the face plate via pins (21a, 22a), wherein the tabs (21c, 22c) are fastened, via the pins (21a, 22a), to the rear surface of the face plate at corresponding pin recesses (38a-38d).