* Change 24 Part Black {6628 Technic, Pin with Friction Ridges Lengthwise and Tow Ball (Undetermined Hole Type) to 6628a Technic, Pin with Friction Ridges Lengthwise and Tow Ball with Round Pin Hole}
* Change 2 Part Dark Bluish Gray {44301 Hinge Plate 1 x 2 Locking with 1 Finger On End (Undetermined Type) to 44301b Hinge Plate 1 x 2 Locking with 1 Finger On End without Bottom Groove}
* Change 2 Part Dark Bluish Gray {44302 Hinge Plate 1 x 2 Locking with 2 Fingers on End (Undetermined Type) to 44302a Hinge Plate 1 x 2 Locking with 2 Fingers on End and 9 Teeth with Bottom Groove}
Comments from Submitter:
Source: Set from my personal collection which was bought new and not mixed with other parts.