I was checking the sram web site for o-ring sizes and aparently there going to be selling them to the public.
http://www.sram.com/_media/techdocs/2008 RS SPC_95-4315-001-000_SID_Boxxer_WEB_B.pdf
on pg 17 listed as a new item
http://www.sram.com/_media/techdocs/2008 RS SPC_95-4315-001-000_SID_Boxxer_WEB_B.pdf
on pg 17 listed as a new item