ACDelco Professional 45K0187 Adjustable Rear Upper Control Arm Assembly: Premium Quality and Precision Engineering for Optimal Suspension Control Review

Fits, but big adjustments aren't an under-car nightmare. The keys are 32mm LONG and space is limited. It's easier to remove the wheel, remove the bolt on the outside of the camber arm, tighten the nut now that you have access, PRAY you don't over tighten or over tighten, then reassemble everything, load wheel .and see what your camber angle is. Also the small adjusting bolt holding the final alignment makes it very cheap and will rust quickly. Replace with a stainless steel bolt before…

I was able to change the control arms myself on a 2007 Mazda3 in about 2.5 hours, after which it took me 4 cambers ($65) to get the camber angle correct. I used a shop that only does leveling and made sure they are familiar with adjustable control arms. The passenger side took the most time, as there is a box that needs to be unscrewed and pushed aside to remove the existing wishbone. I adjusted the levers to be a quarter inch longer than the stock control levers. My goal was to remove the 2.5…

My left rear wheel hit a curb resulting in a positive camber of 2.2 degrees, 3.7 degrees more than the right rear wheel. The tuner said the upper arm was probably bent, but other items could be present. I figured the best thing would be to buy this adjustable bar and install it yourself. I placed a jack under the coil spring mount and raised the wheel so it could be removed. I then used a cheap magnetic dial indicator and attached it to the surface of the drum brake to get a camber reading of 3