it is a new body style lmm the ltz is the package it is what replaced the lt or lt3 packages: i understand performance upgrades will be a ways out but your screen name refers to tires any suggestions on lifts i have priced out a 6" fabtech for 2,550 installed 20"kmc chrome hoss wheels 449 each and 35" nitto's for 348 a piece how am i doin. also anything else to think about when lifting a truck gearing or anything otherwords there is enough power to get a guy buy thanks for any help in advance