The handbrake calipers they have won't fit the 32mm wide rotors.

I understand that the park brake setup is something many people will want and i may develop it at some point in the future but there are many other projects ahead of it. this was just something i had to develop for my race car and if people want it I can make copies of the bits to make it work.

currently it is only for the MKII MR2, it needed to fit this: