Mad rat diff

[cuervo86]

Hi been reading your fourm and decided to buy mad rat basic kit and am building at the moment just have 2 question with building the diff if any one can help.
1. How in cased bearings should it have is it 2?
2. I'm having trouble connecting the screw and bolt in the plastic case together any tips to be able to get them to attach?

Thanks very much for any help