I know a st205 tranny works in a st185 so i would assume they are the same :shrug: Too bad you didn't ask this earlier...i had my driveshaft out for months :lol:
check the carbon driveshaft thread. I believe the length of the st205 was slight longer than the 185.
i can measure the length of the st185 shaft as it's sitting next to the shifter cables and a bunch ofther parts in the garage.