Rear Air Lift Shocks for 2010 RX350
 

Just added a Class III hitch to my RX. When in use it will have a nearly 400# tongue load. I'd like to add air assisted shocks to level up the rear end, but can't seem to find any. Monroe only goes up to 2006 RX330. Any direction in finding a reasonably priced solution would be greatly appreciated. Thanks.