DeLRo, this vendor at the GTR forum seems to have fabricated something similar to what we need. i'm not sure if it would work for our cars but i commented on his thread. you seem to know a lot about this, maybe you could chime in over there.
Adrey@SpecializedPerf - Viewing Profile
thread:
Rear View Camera Kits - NAGTROC - The Nissan GT-R Owners Club