To cut back rotating fat, the super-lightweight diff outdrives are machined from HUDY Spring metal™ product makes it possible for additional material to be removed concerning the external some the outdrives, further reducing the excess weight without effecting durability. The inner area of the outdrives is likewise hand-ground for perfect fitment into the diff case. Made for use with 2.5mm pin. The stronger diff outdrives would be the result of a brand new solidifying procedure that increases lifespan and reliability. Set of 2.