What's out there? Complete front ends.

NudeHemidude said
Also Control Freak suspension (www.freakride.com). This was used in the Mr Norm GSS Darts a few years ago. I have their front and rear suspensions but haven't finished the install yet.

Here's a good article on the Control Freak suspension. I know it's not an A-Body, but it's Mopar.

Project Track Attack Gets A Suspension Overhaul From Control Freak