I have a Chevrolet Lumina Car and we have...
I have a Chevrolet Lumina Car and we have two kayaks, can you put two of these carrier brackers on the track that attaches to the roof?
Doubt it, you need to have the Yakima cross bars. Check out Yakima.com and see their fitguide so you can tell what you need to use this rack. Or at least it will tell you which racks you can put on your car.