Sky,
Is your Rancho stabilizer a direct replacement for the OEM part? A few months ago, my wife ran our truck into a hole when driving through some high grass in the pasture. She bent the crap out of the stabilizer.
I looked at all the aftermarket stuff I could find, and checked with all the major autoparts chains. At that time, no one had a replacement stabilizer for a 2001. All the aftermarket stuff had a straight shank stud where the stabilizer mounts to the track bar, my truck had a tapered pin. I did find some "universal" type stabilizers that attached using U bolts and so forth, these probably would work fine, but to prevent any warranty hassles in the future, I wanted a direct replacemet type part. Wound up coughing up 100 bucks at the dealer, but for future reference, I was curious if Rancho had come out with an OEM replacement stabilizer for the newer trucks.