them there adjustable panard bars...

I was trying to find them again, but couldn't seem to find it anymore. I raised the rear end of my p-body by 2 inches or so and I can tell that the car is sitting slightly slanted. rather have this fixed to be honest, i think it's causing my body kit to scrape around corners, and the bar might be able to help that.

also, after I do get one, how do you run a measurement for the ride height? just off the rear frame-rails to ground?