The active center diff outdrives are CNC-machined on precision German long-turn devices and they are made from HUDY toughened steel. The diff outdrives are presented furthermore ground and strategically lightened to reduce rotating fat. The diff outdrives are then further hardened to make sure optimum power and longest lifespan. The diff outdrive shafts come in addition accuracy hand-ground to an incredibly high limitation to make sure an ultra-smooth tight easily squeeze in to the diff human anatomy and diff gear.