[cmp_uc_guy]

Since there may be many more spare CMP springs laying around.... Why don't you try a trick that an old timer machinist showed me one time,

Take a CMP spring...(you say its the right diameter but to long) aneal it by heating it cherry red, now that it is "un"hardened cut it back to the size of a carrier spring plus two coils and bend it to work in a carrier. then heat it up again and quench it in oil, tada! one tempered carrier spring... maybe you'd want to just reshape them then take them to any heat treaters and have them do their magic to make them springy again.
Allied heat treaters in toronto would do a dandy job of that. Look them up.

Rob Groves