Molded composite engine gear package created from specially-formulated graphite composite item to suit FRONT engine place of XB2. The graphite molded gear field is lighter and more powerful. All components fit perfectly together, and so the super-easy using a large part differential is meant to be valued by every racer. The durable gear field houses the differential and back transmission, enables the mounting of rear roll center owner, engine dish, and back surprise tower. Fits simply XB220