I went through this fire drill last month when I bought my JK. I was going to go with the Mopar 2.5", but it was going to take weeks to get it in. Also, consensus is (mostly) that only the dealer that installed it would warranty it.
A member here suggested I contact Clayton and, since they're local to me, I went with their 3.5" lift and had them install it. Very happy with it.
if you arent gonna be useful to him get out. to the OP just know that any mods you do will only void the warranty on parts that can be proved to be affected by the mod. also some dealerships are mod friendly and some are not.
OK... Bettenhausen Jeep, Orland Park, IL this is where I baught the JEEP from, They are the BEST!
I do NOT work or am I affilated with this company. Usually after leaving a car dealership I feel violated, but these guys are amazing. They know how to make sure there customers are 100% Happy. They are on TOP OF THERE GAME! They are making my whole Jeep expeirence the BEST!
They gave me a huge discount on service & parts on a 2.5" lift, using MOPAR which will include the coil spring lift w/ bilstein shocks, and everything else that is included in the package... Its a 2" lift kit, but actually lift on two doors will be 3" and on four door you are looking at 2.5"
They even called the owner of the Dealership and braught in his wifes car so I can test drive it, they Lifted it using mopar and put on 35" inch tires. They wanted me to make sure that this is what I wanted. The car drove smoothe and looked amazing.
Nope, the dealer will not be installing new tires.... I am still shopping around... looking for 17"x 9 35" tire size, I like the way the Moto 956 look, but the 17x9 does not have the same bolt pattern, they do have 5x5 bolt pattern in 18" rims but not going there.