I found that Dupli-color Engine Enamel Low Gloss Black part# DE1634 is almost exactly the correct "sheen" to the factory that alot of my car restoring buddies use. Yes it is in a rattle can but the "sheen" is not to shinny and not to dull like flat black. Most auto stores have it on the shelf. I painted my rearend, trailing arms, sway bars, steering box, brackets, my inner fenders, Rally wheels, under side of my hood. and my cold air elbows, PREP is key to it looking good, I cleaned my inner fenders good and then wet sanded them with 1200 then 1800, wiped real good and sprayed them. Everyone always asked me where I bought new ones from, When I tell them I painted them they are in disbelief! Go buy 1 can and experiment on some old parts, I dont think you will be disappointed! Some pics for you to look at below........... First link is on Summits web site and what the can looks like. Good luck!!!
http://www.summitracing.com/parts/SHW-DE1634/?rtype=10