I purchased a 2001 XJ with 2 1/2 inches of lift and 31 inch KM2s from my friend last year. I have recently swapped in a Chrysler 8.25 with an Aussie locker and a disc brake conversion. I am looking to go with 33 inch tires and a 4.5 inch lift. I am still a newbie so I would prefer to go with a...