The 1 criticism about the AC Industries wide 5 kit- the rotor/hub assembly is really (I mean really!) heavy (the thing is 1 big hunk of cast iron), and if you're concerned at all about how your car performs you want to be using lighter suspension/brake components, not heavier. l don't know anything about their fit and finish, but CB Performance makes 2 ball joint, wide 5 disc brake kits (standard height, lowered) with aluminum hubs-
http://www.cbperformance.com/product-p/4201.htm
http://www.cbperformance.com/product-p/4194.htm
@Lfepardo- what else did you find in your research?