I do not work for these people and I have not used their kit, but I have emailed and messaged people who have.
http://www.earlyclassic.comIt is not cheap, but I was told that they include every little nut, bolt and fastener that you need. I was also told very positive things about the quality of the parts. They are also known for having very useful tech support people.
Their kit is based off later model chevy truck brake parts, not car brakes.
a few of the guys over here:
http://www.chevytalk.org/fusionbb/showforum.php?fid/58/have used the kit.
Good luck...
-W