Molded composite motor gear package produced from specially-formulated graphite composite item to complement BACK and FRONT engine place of XB2. The graphite molded gear package is lighter and more effective. All elements fit totally together, plus the super-easy using the trunk differential is going to be valued by every racer. The durable gear package homes the differential and straight back transmission, allows the mounting of right back roll center owner, engine meal, and straight back shock tower. Fits just XB220