Cruise or no cruise?
I've had cruise ones apart before... Doubt I have the springs leftover (not a complete set) but they were the size of pen springs, but a bit stiffer and 8mm or so long uncompressed.
1984 F150: 300 L6, AOD, RWD. EEC IV / TFI, Feedback Carter YFA Carb. Stock everything but radio (for now).