I have a 1993 facelift 4.0 (AJ6) XJS coupe and noted today that (what I assume to be) the fuel feed and return lines to/from the fuel rail are looking rather ‘aged’. I’ve been trying to find part numbers for these but have been unable to; I have not even been able to find them on the parts diagrams.
It looks like he has the 4.0 AJ6, rather then the V12. I’m sure someone else here can chime in with recommendations for sourcing these. As for the parts numbers, my Original Technical Publications parts manual lists EBC9851 and EBC10747. SNG shows this: