I run 35s on my 99 k2500 ccsb (same chassis as a 96 k2500 burb with 8 bolt axles) with a key crank and blocks BUT you will lose most if not all of the down travel on the front suspension. The body lift will maintain the original suspension travel, and be easier on CV joints BUT you may need to extend brake lines or redesign mounting spots or brackets since theyre mounted to the body and frame. You may also need to get a longer filler hose for the fuel tank and the bumper to body line will look off. Depends on what you need.