Thanks for responding. But I actually ended up picking up the crossbars at a local auto salvage/junkyard after I did some googling. $100 for a complete roof rack! A bit beat up, but only needed the crossbars though. Can't believe the dealer wanted to charge me $600...
Anyway, here's the...
Just bought a 4Runner and it didn't come with both crossbars. If anyone has an old set laying around, I would love to take them off your hands for a reasonable price. Local dealer wanted $300+ for just one. Outrageous! Thanks!