8 3/4 swap

So I live on oahu where mopar people are scarce ,and parts are hoarded severity piles guarded by us special forces. The reason nobody uses trailer parts is the spring is narrower cars so are the backing plates . What I have now is traction bars for a fifty five Chevy .it fits the spring s and axle tubes and the Sumner lands perfectly on spring eye only thing I got to do is relocate the shock mounts on th 55 it mounts ewa of the axle on scamp its forward. Ill post pics when I can