Re: What's the highest quality leveling kit for a Wrangler JK?
Please understand that I'm NOT trying to scare you away from modding your Jeep. I've installed 4 different types of lifts on JK's that my wife and I have owned and helped with installs on many friend's Jeeps. I've used simple Rough Country leveling lifts, spring lifts, tiny Teraflex 3/4" spring spacers, and spent time, $, and energy on component upgrades where lifts fell short.
Consider too, that Jeep has different springs for different configurations...about 5 of them, if memory serves. So a 2 door with a soft top would get different springs than a 2 door with a hard top, etc. this accounts for weight and means that you can use stiffer springs from a 4 door hard top to essentially lift a 2 door soft top as much as 2". Some after market companies offer different springs for 2 and 4 door Jeeps, but most simply toss out a number that is approximately accurate for a 4 door hard top and assume owners with a lighter weight Jeep will be happy getting more height from the same lift. Some also expect their springs to settle with time...so you might install a 2.5" lift and start with 4" of extra height, but 6 months later be sitting 3.1" higher than stock.
If you want the most complete system possible, Rock Krawler has a 1.5" lift that can be purchased complete or upgraded over time....and because the control arms and track bars are adjustable, should you ever want to upgrade to a 2.5 or bigger lift, all you have to replace are the springs and shocks. This lift does NOT include a driveshaft, but you'd hope not to need one.
Mopar makes a 2" lift that does include a driveshaft, and claims to be super-flexy. This one should be the easiest to get warranty work covered with.
If your lift doesn't come with a new track bar, I'd HIGHLY recommend adding that to your shopping list. JKS and Teraflex make great adjustable track bars. JKS, in fact, makes several reinforcement brackets and quality components...but their lift prices skyrocketed when Zone/BDS purchased them, and eliminated their 2" JSpec lift.
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