i purchased the LCA for the rear of my lexus and i adjusted it to-6.5 camber and i want to go more and it seems like the wheel begins to look crooked the more i go. What other arms do i need to purchase to fix the crooked of the wheel?

 

Upper control arms as well, http://www.proimporttuners.com/parts...amber-kit.html

 

with extreme cambers (over 3 degrees) you'll need full camber kits. Which I believe is upper and lower control arms. Could be missing a few more parts but I think that's right