these are the ones I have and they will work.
http://www.thuleracks.com/product.as...=10&sku=835PRO
to solve the height problem, you could get these. They are quite pricey, but they mount on the top and then you pull on the kayak and the whole rack goes down beside (without touching) your FJ.
http://www.thuleracks.com/product.as...d=10&sku=897XT