TrueTrac is a very popular locker.
@WhoDatBuul
Contact Black bear for the blower.
Hoss is right tho. a 6.0 is FAR cheaper to drop in, even stock and will give you a much better base to start with.
Now thats said, Dont get it confused. a 4.8 with a KBracing, Trick performance, ON3 turbo kit...