I put these in the rear of my xfire 8 months ago and they hold as well as the originals.

http://www.ebay.com/itm/151169890685?ru=http%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_sacat%3D0%26LH_Complete%3D1%26_udlo%3D%26_udhi%3D%26_samilow%3D%26_samihi%3D%26_sadis%3D15%26_stpos%3D%26_sop%3D12%26_dmd%3D1%26_ipg%3D25%26_nkw%3D151169890685%26_rdc%3D1