no its not....
try these posts...
(p.s. i have tried balljoints, brakes, alignment, road force alignment,tires, and now that i have aquired them...i will be doing my bushings in the next few weeks)
http://www.clublexus.com/forums/gs-second-...ines-fixed.html
http://www.clublexus.com/forums/gs-second-...adjustment.html
p.s. easiest and allegedly the best fix is the daizen steering rack bushings
here is a DIY for it
http://clublexus.com/forums/suspension-and...ck-bushing.html