These car parts are critical to the suspension system and the type of ride you experience in your car because they manage the up and down motion of your tires.
Answer Control Arms
The control arms of a car allow the tires to make smooth up and down transitions so that you have a smoother ride. If these parts were not present, then your ride would be quite rough.
Asked by DRay585 · Last updated 5 years ago · 4.8K views · SOURCE