8.75 suregrip and gears

I have a 8.75 cone sure grip with a 489 case. I am going with 4.10s with seals and bearings from Dr. Diff.

Two questions:

1. Can I un bolt the sure grip and have the gears seals and bearings replaced with the sure grip out?

2. Are there any members on here that rebuild the cone style? I thought I saw a thread where @RustyRatRod was doing them. To be honest, not sure if the sure grip needs attention, but would like it looked over while everything is out.

Pics of the tear down and refresh of the housing.

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rusty used to rebuild them. Not sure if he still he's or not