Ok, it's time to upgrade my 2016 JK to at least a rear locker and 4.10 or 4.56 gears. (leaning toward the 4.56) I've read on here that upgrading the front dana 30 is pretty much a waste of money. My set up, 33" tires, Mopar 2.5" lift and I won't run bigger than 35s. I'm already pushing the...