You can contact Lanner here:
www.vdubengineering.com
More Specifically:
http://www.vdubengineering.com/products/tierods.htm
But the office is currently 'under closed doors' until late december 08'...
However, when it does open I will back his product entirely as a customer.
Top notch service, start to finish.
I might just have to order a set on the next round of spending... hrm.