The Ultimate diff upgrade for the Losi 5T/5B, this differential housing is built to handle the largest of motors and the hardest of racers. Uses oversized ball bearings (Included)Full Adjustable gear mesh (Shims included)CNC machined 6082 T6 aluminum for a perfect strength/weight balance       Only 260grams empty Fits with no modifications to stock diff parts, all hardware included. If you wish to use Stock Losi Shock tower, they will require a little dremel work. (or we can supply 7075 tower which fit perfectly)