2.5" RC lift with a 6" RC lift
 

Hello I have a 2001 Chevy Blazer LS 4x4 2 door with a 2.5" rough country lift. To install this with you must cut the front differential bracket and bolt on a new one. I now want to put the RC 6" lift on it. So my question is is it even possible to go up to the 6-in lift and if so will it give me 8" or do I get another bracket?