Champion CC374 clearance advice in Duster

As far as the tubular lower brace, I think you'll have to have it made or make one yourself with Dilinger and XV both out of business.

Us Car tool list them

http://store.uscartool.com/Chassis-Stiffening_c_7-3-0.html

for some reason the a body brace by itself is not showing the detail page, but it is listed as well is in the whole chassis stiffening kit

http://store.uscartool.com/70-75-a-body-chassis-stiffening-kit.html