I ordered this one: http://www.ssaccessories.com/servlet/the-1780/OBX-LSD-OBX-LSD/Detail
Looks like the same supplier as racingpartdepot:
http://www.ssaccessories.com/servlet/the-template/about/Page
http://www.racingpartdepot.com/servlet/the-template/about/Page
So you can use the link I provided and know you will at least receive what I have...who knows if it is right .