Got this info off of pirate....
2000 F350/F450/F550 DRW (balljoint, metric 8x170mm wheel bolt pattern F350 / 8x220mm F450/F550, unit bearing hub)
2000.5 F350/F450/F550 DRW (balljoint, metric 8x170mm wheel bolt pattern F350 / 8x220mm F450/F550, unit bearing hub)
2001 F350 DRW (balljoint, metric 8x170mm wheel bolt pattern, unit bearing hub)
2001-02 F450/F550 DRW (balljoint, metric 8x220mm wheel bolt pattern, unit bearing hub)
2002 F250/F350 SRW (balljoint, metric 8x170mm wheel bolt pattern, unit bearing hub)
2002 F450/F550 DRW (balljoint, metric 8x220mm wheel bolt pattern, unit bearing hub