USA Standard Drive Shafts are new and made from high grade steel to reduce the wear and tear of everyday use. Many driveshaft components have been upgraded from OEM to eliminate known issues. USA Standard Gear replacement drive-shafts are computer balanced to provide a smooth running, vibration free driving experience. All drive shafts are quality inspected and come with everything needed for direct bolt-in installation, including non-greaseable u-joints for maintenance free performance. Enjoy a perfect fit, non-remanufactured driveshaft from USA Standard to keep your vehicle moving for years to come. Every driveshaft comes with a standard one year against manufacturing defects.