I have a 2000 4wd with LT Preferred Equipment Group under which on the sticker it says "Premium Ride Suspension." I am looking at some replacements such as the Rancho 5000's, but the website I am looking at says they are for the 2000 4wd without the Z55 Autoride Supsension or the ZW7 Premium Smooth Ride. My question is how do I know if my "Premium Ride Suspension" is equivalent to the "Premium Smooth Ride Suspension," and will the Rancho 5000's fit?:confused2: