Asking help about Sierra differential...fr. USA

drop [email protected] as mail as i'm sure they'll be able to supply you with what you need (they're based in the uk www.burtonpower.com)

:D

another option to try if you haven't already is http://wscc.ggr.net/cgi-bin/BB/ikonboard.cgi?s=3c3c3e27313cffff