XRAY provides lightweight CNC-machined center diff outdrive adapters. Made from HUDY toughened steel, the outdrives have now been strategically machined to be lighter than standard #355070 center diff outdrive adapters. For serious racers that are aware of fat savings. CNC-machined on accuracy German long-turn devices. Additionally ground and strategically lightened to cut back rotating fat, then further hardened to make certain maximum strength and extra-long lifespan. Final accuracy hand-grinding ensures a very high tolerance to ensure an ultra-smooth tight easily fit in the diff human anatomy and diff gear.