This is a full recap of a BBC Model B Astec Power Supply in my machine. This includes the two RIFA Filter Caps, High Voltage Caps Startup Cap and the Low Voltage Side Smoothing Caps.

Full Recap Kit
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There are plenty of filter cap + starter cap kits available, so do a search, but for a full kit, I only know about the link below.
https://www.ebay.co.uk/itm/2557987229...

PSU Circuit Diagram
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I am unsure how accurate this is, but it was discovered in a search, but it looks about right I think.
https://www.next.gr/circuits/BBC-Micr...