G.. (welcome to the S2 land)
Ok, the 1652 is the fan override. (Home made or Caspers?)
The body induced pitch... Hmmm I can look that up tonight.
Control arm busings. My understanding is that Randman paid $40 for them to be pressed out of one arm, never reinstalled. Dan says that they are enough of a pain that for $80 an arm, you simply buy a new arm with them already in it.
Plugs.. TR55'* at .055
Wires, I'd say if you are going to keep it put on Beldens/Autolite pros/AC Delcos...all lifetime.