I bought a new set from TCI,complete,with new mounts,shocks and shock mounts,and pads to flip the rearend.Just by flipping the rearend you will lower your truck about 3 inches.I am now running 5 leaf springs instead of the original 7 leaves.The truck rides and handles excellent.If I remember right the whole kit cost me around $600.Money well spent.Also my truck is a 1955 2nd series,which came with the rearend mounted below the springs.