69 Dart - relocate rear leafs ?

You don't even have to use the offset shackles. Just drill one hole on each side to move the shackle mount over the 1/2", and use the stock shackles.

This is the craziest thing I ever read , DRILLING A HOLE WOULD BE PUTTING THE DAM THING INSIDE THE FRAME
What kind of car are u talking about ??

We need pics -----------