I wish I'd read the reviews saying they were needed after replacing the upper control arms and lower ball joints on the 2001 Ranger. It's ok, just had to take the top screws out of the top arms and put them back in. Very easy installation. It took longer to tighten the screws in a tight space. All in all, I'm wondering why they weren't stock on the Ford Ranger. After attaching, make sure to level your car! Before aligning with the front numbers, my truck was all red. after that they alignedโฆ