I think Rancho has 2 different stabilizers. One is stock replacement and uses the stock mounts and the other is the U-bolt. I went with the stock replacement style Rugged Trail or some brand. If you have 31" or taller tires, a heavy duty stabilizer works wonders to smooth out the steering. Just be prepared for the old one to be frozen in place. I had to hack saw and drill out my old one because you can't hammer it out from the back since there isn't enough room back there to swing a hammer. I've only ever had one pop out easily and 4 others I had to cut and drill out.