I installed this on a 1999 GMT400 1 ton 2WD truck. I've read a few reviews that say the performance is a beast, but on 2WD it's not. Get on and off in about 30 minutes once you're comfortable with your hand tools. You need to turn the truck's wheels all the way to the left so you have enough room to pull it out and put the new one in, it just fits, no need to unscrew the steering box from the frame! I used an OTC 6496 puller to remove it from the steering box, it worked like a charm. Theโฆ