I don't know about "bolt on". I know I guy who mounted one of those on a Barracuda 'vert and he described it as a major pain. The ends apparently had to be bent either in or out to line up properly.
One of the aftermarket outfits offers a frame mount rear bar that pretty much is the same thing, but made to fit A-bodies. I can't recall if it's FirmFeel or Just Suspension off the top of my head.
The axle mount rear bars (ADDCO-style) are pretty common, too.