Looking for parts for my 72 Dart

Ive got both the small block Kelsey Hayes disc setup

http://www.ebay.com/itm/231290253888?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1558.l2649

And the big bolt 73-76 setup

http://www.ebay.com/itm/331269357285?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1558.l2649