|The AC III head is made from a varying combination of 18 different panels. All the panels are similar in shape and bend,
but all are unique in the location of holes and notches. End skids come standard with each set.
Bend Profiles: (Change Occurred Approx. 1987)
Old Style has a single bend at the front that forms an angle.
New Style has three blends at the front that forms a radius (curve).