NOS GM DELCO 173-177 CHEVY PONTIAC BUICK OLDSMOBILE BRAKE PARTS REPAIR KIT.  Parts # 18004873 group # 4.667.

Please see all of the photos and use the zoom in option for the best description of this item and what it may fit.  Please also do your own research to make sure this fits your application.  Packaging itself may signs of age and wear and tear and has been opened and stapled shut.  I know nothing about this item.