412 front suspension

[Andy G]

hi folks i'm new here & to Bristol , i am restoring a 412 rolling chassis and have got to the front suspension and im trying to work out where Bristol got there parts from? i find it hard to believe its all one off parts . i can see some of it is jag xj but the bottom ball joints have stumped me . can anyone tell me what fits or where i can get them please . the chassis was completely shot on the one side and had to be reproduced based from measurements i took from the other side ,but that is all done and i have got the engine up and running nice after many years . lot of work in this project but it is moving forward.
thanks
Andy Gough