Where's the best place to buy a pair of cycle wing brackets for cortina mk4/5 uprights ?

Who makes them now?

http://www.rallydesign.co.uk/catalog/product_info.php?cPath=1375_1605_1608&products_id=11858

Rally design do them

Aries Motorsport.

Mine, !!

not broken one in 15000 miles

but might on the next run !!

I got fed up with repairing the brackets that came with my kit and made a pair of heavy duty ones that haven't broken in the last 6 years