Yes, you just use SBC valves.

You could mill it .040.

Camshaft, something like this but for a 292: http://www.summitracing.com/parts/cca-61-232-4/overview/

Installing to stiffer springs would be a good idea & Comp Cams says you need new springs with the cam I posted.

MBHD

12 port SDS EFI