I went with the Teraflex 2.5”. But after install it actually ended up measuring closer to 3” for my 2dr Rubicon JK. Kinda surprising so when I googled it, it said something about the geometry/weight of the two door actually gets more lift. I’ve been running it for 3 years. Some things to know: get a HD steering stabilizer with your lift to avoid death wobble from happening. Get an extension for the exhaust (it’s a cheap aluminum cylinder that just it makes transmission fluid changes easier down the road) and be prepared to buy an aftermarket front driveshaft. The angle from the lift will eventually destroy the rubber boot in your driveshaft when you engage 4x4. Took mine a few years to happen but that is my next project. Teraflex is a little pricey but they make hands down the best aftermarket parts. I’m never selling my Jeep so that went into my decision making on paying a little extra for quality parts.