Where can I get replacement pedal bodies for Vector 1 & 2 pedals?

I have a Vector 1 and Vector 2 pedal set and they are both in need of replacement pedal bodies.

What options do I have?

Can I use a Vector 3/Rally body kit or an Exustar PR3 pedal body?

Both power meters work perfectly and I'm loathed to ditch them because I can't get replacement pedal bodies.