on dial up arm so didn't see your last post before i put up mine.
and i say afaik, as a while back i read a post saying the nolathane replacement items are stiffer, don't believe that but myself, but didn't know 100% so thought better put in the fact that its what i know.

just found that road safe also do exchnage uprights,
http://www.roadsafe.com.au/products2.htm

I'm pretty sure we deal with Road Safe at work.

Are uprights another term for the spindles?

Yes I believe uprights are another term.

Ben

I've ordered in the Noltec ones into work, RA214 (http://www.noltecsuspension.com/popproduct.php?id=RA214).