Slider bushing

With the passing of the late lamented John Bould, does anyone offer boring and bushing
of worn sliders now?

No, there is a thread on the NOC of a scheme to do it using a piloted guided cutter that picks up on the current ID for direction so you could follow that DIY, as its self guiding it can be done using a drill but you still need someone to make the bushes.

Maxton might do, as they make up their own bushes for their damper conversions, which are sometimes larger OD than original, so must bore the sliders!

Dearth of cottage industry I guess...