Used with #91794 Standup Motor Plate.
#91788 contents:
qty 1 Standup Gearbox, Right
qty 1 Standup Gearbox, Left
qty 1 Standup Gearbox, Bottom
qty 1 Standup Gearbox Spacer
#91788 contents:
qty 1 Standup Gearbox, Right
qty 1 Standup Gearbox, Left
qty 1 Standup Gearbox, Bottom
qty 1 Standup Gearbox Spacer