Drop spindle advise?

[Chlsnk]

I have looked at some other build threads and this install looks pretty straight forward. So i'm going to undertake installing my 3 inch chassis tech drop spindles Saturday with some buddies. Does any one have any advice/pointers to pass on to me before I dive into the install? Tool's that will make the install easier I have the pickle forks and prybars to help seperate the ball joints anything else special?
I'm aware the a-arm will most likely need to be ground down on the lip.
Also will I need to purchase new wheel bearings and have them pressed on the spindles?

thanks