Boost your TB-05 PRO chassis efficiency and toughness with this aluminum component, which doubles as the lower half of the gearbox. It replaces a kit standard A3 part (front or rear) of the car.  - Aluminum Lower Bulkhead x1  - Stabilizer Stoppers x2  - 730 Ball Bearing x2  - This aluminum part mounts the differential gear with precision, for greater efficiency.  - Design allows attachment of stabilizer bars with ball bearings for smooth operation.  - Improves rigidity of chassis, damper stay and upper arm mount. - Lower bulkhead part has a cool black finish.  - Compatible with TB-03 (including VDS), TB-04, TB-05 and TB Evo.6 chassis.