Molded composite engine gear package made from specially-formulated graphite composite product to test BACK and FRONT motor place of XB2. The graphite molded gear package is lighter and even more effective. All elements fit totally together, together with super-easy using the trunk differential will probably be valued by every racer. The durable gear package homes the differential and right back transmission, permits the mounting of back roll center owner, motor supper, and right back shock tower. Fits just XB220