I can see that the Jaguar XJS is equiped with a similar TEVES ATE MK2 ABS system.

I can also see they get a remplacement valve block with a very thin cover:

https://www.jagroverland.com/abs-mod...1475-open-box/

The cover seems to retain the valves:

https://www.jaguarforums.com/forum/x...l-left-113913/