on the rear .. its good to get a little longer than the stock after putting a lift .. and the new coils made it stiffer than the stock coils .. well .. i guess u can do the swap .. but i have a pretty good feeling the ride will stay the same .. and about the warn manusl hubs .. yes u have to go outside to lock both hubs, then u can engage the 4wd on the transfer case ... u can go back to 2wd without unlocking the hubs .. problem is , it will just eat ur gas milage... well ... maybe someone can give more information .. to help ya out