Many driveshaft components have been upgraded from OEM to eliminate known issues.
Compressed length of 28-9/16 measured from center to center of the furthest universal joint;1330 series universal joints at both ends;1.625 span withoututside snap rings;New universal joints, slip yokes, shafts and components ensure a long life;All units are dynamically balanced at 3,000+ RPMs for vibration-free driving;USA Standard Perfect Fit drive shafts are guaranteed for proper fitment and easy installation;USA Standard Driveshafts are strengthened over common OE shafts to prevent OE failure;Slip yokes and u-joints are lubricated with high temperature grease;Brand new and fully assembled for simple out-of-the-box replacement;California Residents: WARNING USA Standard Front Drive Shaft - ZDS9101 USA Standard Drive Shafts are new and made from high grade steel to reduce the wear and tear of everyday use.