2009 LS 460 AWD, 98k miles, RH upper control arms need replaced. Will go with aftermarket arms because it is the bushing insert material not the metal arm that wears out. Question is which after market control arm brand name to buy (many names and prices at RockAuto, e-bay, etc.). Since the bushings are the only part that wears out and Lexus does not sell just the bushings, who makes the best replacement control arm bushing? I do not know and am looking for advice. I intend to replace the OEM control arms, save the old arms and re-bush the OEM arms for next time at 150k (+/-), I intend to keep this LS for ever!