MIP CVD Gripping Screws Alternative

[Nick]

I have MIP CVDs that use 2 little grub screws to grip the diff' output.

I hate them so want to find cups that can take the stock screws that lock the diff' outputs because they go through the middle of them rather than grip (stock screws are 4mm).

Or actuall 5mm screws that go through them instead of gripping grub screws.

Or some DIY way (as a last resort if you don't know where I can find the other bits) that would work.

Thanks...