Mainly spinning 1 tire...

The cone-type SG has 2 planetaries and 1 crosspin to share the load
The TracLoc has 4 planetaries and 2 crosspins
I like the trac-Locs for the street
Either will work on the street with under 450hp, flip a coin.
You can even get a mini ratchet to install in the open case unit. Fast, Easy, and cheap.