I'm selling a complete Thule systems (for a car that already has a factory-installed roof rack).
Included are:
4 Thule 450 Crossroad Feet (retail $240)
http://www.rackattack.com/product-pages/thule-450-crossroad.asp
4 Thule Feet Locks (retail $70)
http://www.rackattack.com/product-pages/thule-544-4-pack-lock-cores.asp?item_type=3
Thule Load Bars ($110) (for a smaller car - it fits mine, a 2007 Volvo V50)
http://www.rackattack.com/product-pages/thule-lb50-50-inch-load-bars.asp