Originally Posted by
superacerc
Here's an option perhaps. I have the defender roof rack and it mounts directly inside the rails on the XK that run front to back. I don't use the factory cross bars at all. Then you could mount the box to the defender rack and not be as high up off the jeep as a box on a basket on crossbars. You can see how low my basket mounts to the xk in my garage pics if you want. It has 6 brackets that bolt the basket to the factory roof rails so is pretty sturdy.