I had a problem with my E brake dragging after a 3800 swap, new Raybestos cables were installed when swap was done.
The problem turned out to be the cables, the inner cable was too tight in the housing and the springs couldn't return the E brake levers to the stops.
When I started looking for better cables I found some made by Bruin, and they are made in the USA. They have an Ebay store and Amazon also.
I got them yesterday and they are excellent and the inner cable has no drag at all, should fix my dragging E brake problem.http://www.bruinbrakecables.com/