USA Standard Gear driveshafts are built new from the ground up, not remanufactured, to provide decades of everyday use. All driveshafts arrive fully assembled and ready to install to get your vehicle back on the road quickly. Overall collapsed length is 91 inch. from the flange to the end of the slip yoke Slip yokes & u-joints are lubricated with high temperature grease Brand new and fully assembled for simple out-of-the-box replacement 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 Features and Benefits: Overall collapsed length is 91 inch. from the flange to the end of the slip yoke Slip yokes & u-joints are lubricated with high temperature grease Brand new and fully assembled for simple out-of-the-box replacement 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 Details: AAP UDA 4: 85 Application Summary: 2004-2008 Ford F-150 (Rear) (Liter: 4.6, 4.2 & Engine(ci): 281, 256 & Cylinder: 8, 6 & Block: V & Transmission Control Type: Automatic & Wheel Base: 144.7, 144.5 & Drive: Rwd / Qualifier: with 10 Bolt Differential Cover / Note: Rear Driveshaft Assembly Overall collapsed length is 91 inch. from the flange to the end of the slip yoke with 8.8 inch. Rear Axle, 10 bolt Cover 145 inch. wheel base Two piece driveshaft)