Fine Threads 4x4 (Both) Front Wheel Hub and Bearing Assembly FORD F250/350 Super Duty 4x4 8 Lug,SRW W/ABS Fine Threads, FROM 3/22/99 (Pair) 515056 x2 Placement on Vehicle: Left, Right, Front 4X4 With ABS , FROM 3/22/99 8 Stud, Single Rear Wheels (SRW), 4 Mating Bolt Holes 1 Year Warranty 2000-2004 Ford F-250SD Fine Threads 4x4 - [2000-2004 F-350SD Fine Threads 4x4] - 2003-2005 Excursion Fine Threads 4x4