I would save your money and buy better brands individually instead of buying a package deal.
http://www.rockauto.com/en/catalog/ford,1993,f-250,7.3l+v8+diesel,1124660,engine,piston+ring,5640
http://www.rockauto.com/en/catalog/...l,1124660,engine,crankshaft+main+bearing,5220
http://www.rockauto.com/en/catalog/...el,1124660,engine,connecting+rod+bearing,5212
http://www.rockauto.com/en/catalog/ford,1993,f-250,7.3l+v8+diesel,1124660,engine,piston+ring,5640
http://www.rockauto.com/en/catalog/...l,1124660,engine,crankshaft+main+bearing,5220
http://www.rockauto.com/en/catalog/...el,1124660,engine,connecting+rod+bearing,5212