Molded composite motor gear package produced from specially-formulated graphite composite product to fit FRONT motor place of XB2. The graphite molded gear box is lighter and stronger. All components fit perfectly together, therefore the super-easy usage of a corner differential is supposed to be valued by every racer. The durable gear box houses the differential and rear transmission, allows the mounting of rear roll center owner, engine dish, and rear surprise tower. Fits just XB220