At the moment, I have two SPDT switches mounted side-by-side for a kickdown switch. They were all I could find at the time; the original switches being nearly impossible to obtain. I have a Carter YF, so as Hotrod Lincoln said, some creative bracketing was required.
I ordered these DPDT switches from Amazon last month, but haven't had a chance to install them yet:
DPDT Roller Lever SwitchesThey are more robust than the current switches, and will be a better solution.
-Kevin