What over the counter shocks to use with SS springs?

All of this has made me curious, so I did some research. The A and B bodies take the same number rear shock. The Imperial does take a different number, but is nowhere near as long as we've thought. Here are the specs:

The Imperial shocks are not much longer at all.

A&B body:

http://gabriel.com/our-products/car-...?partnum=82131

Imperial:

http://gabriel.com/our-products/car-...?partnum=81469