here's a trick I learned the hard way on the lower a arm bushings. soak them w/pbblaster and before you take the lower arm off, work it up and down. this will unstick the bushings from the shaft, making them much easier to remove. also the factory flares out the end of the bushing that is to the inside. I took a rod and hammer and tapped around the entire edge, being careful not to hit the lip of the a arm itself.