For Ford F250/F350 1999-2004 Super Duty 4X4 4WD Diesel/Gas models. for 4X4 4WD models only. Dual Twin Shock Mount Brackets Kit. Gas, Diesel ,V8 or V10 models compatible. Front Drive Prop Shaft for Ford F250 F350 F450 F550 Super Duty 7.3L YC3Z4A376RA.