I was recently offered a full set of SS SC suspension including brakes and everything front and back subframe and all
My question is when you switch the hub to the 5 lug and disc brakes will the 2.2 axels still fit? I wanna do the 4 wheel disc brakes on my car

 

I've been looking into this myself. I believe you will need to purchase G5 hubs to make it work. The axles on the LSJ/LNF has more splines on the axles VS the L61/LAP axles. Also, the base G5 uses the F23 transmission, which is why I'm drawing this conclusion. The G5 has the same bolt pattern as the LSJ/LNF cars, but for some reason GM decided to make the base model G5 a 5 bolt and the base Balts a 4. If I'm wrong, someone else can chime in.

 

The hubs are interchangeable physically. How ever if you have abs it will no longer work. The reluctor wheels have a different number of teeth. I have an 06 ls I swapped to ss/sc front brakes but my car doesn't have abs so no big deal. For the rear I swapped the 4 lug drum for the 5 lug drum on the later cars I didn't really have an option to swap to rear disk. It's been a LONG time since I've been on the page let alone checked up on research but I believe there is a chance you may have to get a manual brake bias adjuster. But it's been a really long time since I looked into that. My cars been swapped for like 4 years/40,000 miles.
I can say that if everything I have done to the car to improve drive ability and over all feel of the car, this was the best thing I've done.