Black 172 MK2
are hese the 3 correct links for what i need to get my PC working, thanx just checking b4 i buy 
brad
http://www.screwfix.com/app/sfd/cat/pro.jsp;jsessionid=PAVSLCC4QGMPMCSTHZOCFFY?id=73851&ts=38721
http://www.screwfix.com/app/sfd/cat/pro.jsp;jsessionid=PAVSLCC4QGMPMCSTHZOCFFY?id=16691&ts=38721
http://www.screwfix.com/app/sfd/cat/pro.jsp;jsessionid=PAVSLCC4QGMPMCSTHZOCFFY?id=19947&ts=38721
brad
http://www.screwfix.com/app/sfd/cat/pro.jsp;jsessionid=PAVSLCC4QGMPMCSTHZOCFFY?id=73851&ts=38721
http://www.screwfix.com/app/sfd/cat/pro.jsp;jsessionid=PAVSLCC4QGMPMCSTHZOCFFY?id=16691&ts=38721
http://www.screwfix.com/app/sfd/cat/pro.jsp;jsessionid=PAVSLCC4QGMPMCSTHZOCFFY?id=19947&ts=38721