Part Numbers & Application below:
BTF111BLR - 11-14 Ford Super Duty F250/F350/F450/F550
BTF081BLR - 08-10 Ford Super Duty F250/F350/F450/F550
BTF051BLR - 05-07 Ford Super Duty F250/F350/F450/F550/*(05)Excursion
BTF991BLR - 99-04 Ford Super Duty F250/F350/F450/F550/*(00-04)Excursion