I'm not at home and with limited access to the internet, but the pins and spring ciips are available.
The details are on my kingpin 'how to' post for Bumble, and I may have put the ref numbers in my book.

http://www.talkmorgan.com/ubbthreads.php/topics/228523/Brake_Component_part_numbers_f#Post228523
http://www.talkmorgan.com/ubbthreads.php/topics/228294/4

DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4