UMI RR K here too. Fair bit of beatings on curbing. I will say only consider the RR A arms, if you want those. I have them as well and we are currently at 2.5 degrees of camber and played with the idea of trying 3 degrees. There is enough to go there, but we left it at 2.5.
(IMG:http://i1318.photobucket.com/albums/t659/Rampant455/CALABOGIE_DAY_12%2082%20of%20168_zpscwxczzvd.jpg)