XRAY offers lightweight CNC-machined center diff outdrive adapters. Created from HUDY toughened metal, the outdrives were strategically machined to be lighter than standard #355070 center diff outdrive adapters. For serious racers who're alert to fat cost savings. CNC-machined on accuracy German long-turn devices. Additionally ground and strategically lightened to cut back rotating weight, then further hardened to ensure maximum power and extra-long lifespan. Last precision hand-grinding ensures an extremely high threshold to make sure an ultra-smooth tight fit in the diff human anatomy and diff gear.