Our kits use a proprietary high density polyurethane spacer that mount with your stock springs. This eliminates the problem with most kits on the market today.... STIFF springs. Most lift companies choose the lowest bid when farming out production of their springs which means the customer oftimes gets stuck with a ride that is worse than stock. Our Budget lift series of kits avoid this headache and keeps your Jeep riding smooth and stable. Our Rocky Road brand coil spacers are also a full 2 inches tall. Most other coil spacers on the market only provide 1 5/8" lift, even though they represent themselves as a "2 inch lift". Why are Rocky Road Budget lifts among the top-selling on the market??? Is it our simple installation? Ride quality, stability, and safety? It could be these, but the fact that we have the best prices on the planet might have a little something to do with it as well. All Rocky Road kits come with easy to follow installation instructions. All of our budget lift suspensions also have a lifetime warranty on spring spacers. A big difference you'll find between a Rocky Road Budget lift and others is that we give you something you actually HAVE TO HAVE when you put 2" on your Jeep, BPE (Bar Pin Eliminator) Shock Extensions. All other kits only provide coil spacers only, or they give you a bumpstop extension. These extensions are absolutely unnecessary unless you're jumping your Jeep at some sand dunes (bad idea if its your daily driver).... bumpstop extensions are 100% unnecessary. Bag that unnecessary expense and pick up a kit that will actually improve your suspension flex instead of worsening it. Our kit includes Shock Extensions that do the trick!!!