Molded composite motor gear package made from premium composite material accommodates 3 gears. The graphite molded gear field is lighter and more effective, with a narrower design to match the narrower suspension system holders, decreasing roll while increasing traction. All components fit together perfectly, and offer super-easy use of a corner differential. The durable gear box homes the differential and back transmission, permitting the mounting with this back roll center holder, engine meal, and back shock tower.