F 450 4WD Super Duty V10-6.8L VIN S (1999)
Center Support: Specifications
Driveshaft Center Bearing Bolts(Except Motorhome) .............................................................................................................................. 63 Nm(47 ft. lbs.)
Driveshaft Center Bearing Bolts (Motorhome) ......................................................................................................................................... 90 Nm(66 ft. lbs.)