USA Standard Gear driveshafts are built new from the ground up, not remanufactured, to provide decades of reliable use. Many components are upgraded from OEM to eliminate known issues. Units arrive fully assembled and ready to install. Length 77 flange to flange compressed USA Standard Perfect Fit driveshafts are guaranteed for proper fitment and easy installation 79 maximum extended length Working length estimated 77.6 Two-piece, rear Four bolt flange on each end Brand new and fully assembled for simple out-of-the-box replacement USA Standard driveshafts are strengthened over common Oe shafts to prevent Oe failure All units are dynamically balanced at 3,000+ Rpm for vibration-free driving New universal joints, slip yokes, shafts and components ensure a long life Features and Benefits: Length 77 inch flange to flange compressed USA Standard Perfect Fit driveshafts are guaranteed for proper fitment and easy installation 79 inch maximum extended length Working length estimated 77.6 inch Two-piece, rear Four bolt flange on each end Brand new and fully assembled for simple out-of-the-box replacement USA Standard driveshafts are strengthened over common Oe shafts to prevent Oe failure All units are dynamically balanced at 3,000+ Rpm for vibration-free driving New universal joints, slip yokes, shafts and components ensure a long life Details: AAP UDA 4: 85 Application Summary: 1998-2004 Toyota Tacoma Pre Runner (Rear) (Body: Extended Cab Pickup, Crew Cab Pickup & Liter: 3.4 & Engine(cc): 3378 & Cylinder: 6 & Block: V & Drive: Rwd / Note: 2 Piece Rear Driveshaft Overall collapsed length is 77 inch. measured flange to flange Replaces Oe # 37100-3D040, 37100-3D150, 37100-3D260)