Wrecked 08 4wd Sierra...making it 2wd?

I have a wrecked 08 4wd Sierra...Rear frame is effed. Mainly im wondering if the front frame on 4wds are any different than 2wds. I wanna run the Ekstensive kit in the front. Will it work?

SO far with what ive gathered if i remove all the 4wd stuff up front, get 2wd hubs and swap out the trans it will all work.