I had that same hitch installed on my RCSB with SAP. A little tight fitting between the plastic center bumper and the hitch. But otherwise, it fits well. The only problem is that if you have a TRD Sway Bar, the links will hit the hitch frame. So for the meantime, my sway bar is off until I find a longer M14 and M12 bolts. Or maybe cut some of the hitch frame to give way for the links.
A beefy one indeed. Installed it just to stiffen up the rear frame.
Here are some pics:
http://farm3.static.flickr.com/2042/...765e29c0_b.jpg
http://farm3.static.flickr.com/2315/...4f494ed9_b.jpg
http://farm3.static.flickr.com/2364/...628d8589_b.jpg
http://farm3.static.flickr.com/2171/...9eebab4b_b.jpg
http://farm3.static.flickr.com/2151/...06ce05ca_b.jpg