I still needed a camber kit for my car when I lowered it with the prokit but each car is different. I only needed the front kit the back was still within spec so I purchased a Omni Power kit it also came with the rear washer kit but didn't need it and so far loving it. But it also depends on what you want my car was -1.6 in the front and could of kept it that way if I set the toe to 0 but would of had to rotate the tires more frequent to save the tires so I opted for the kit so I wouldn't have to deal with that hassle good luck.