To lessen rotating fat, the super-lightweight diff outdrives are machined from HUDY Spring metal item enables extra material to be eliminated regarding the external some the outdrives, further reducing the surplus fat without effecting durability. The inner part of the outdrives is likewise hand-ground for perfect fitment in to the diff instance. Designed for use with 2.5mm pin. The more powerful diff outdrives would be the result of a brand new solidifying procedure that increases lifespan and dependability. Pair of 2.