[Dragsinger]

In the above third pic you can see a temporary strap holding rear housing in position. Also note housing center is 16" off table for 32" tire.

Next we see the shop built four link bracket assembly on the welding table.

It is an option to buy this assembly completely welded with frame rails. However, I built it in house for at least two reasons.

[1] money saved
[2] experience with fabrication and welding

The bar through the brackets is a temporary jig to help align the assembly