Physical difference in crank carriers from 2.5 to 2.7?

[Homeoboxter]

I'm not sure what you are trying to do, but here's a couple shots of a 3.2 carrier that's sitting now on my desk in the garage.
For the 2.5 you can look through similar pictures in this thread:

https://986forum.com/forums/show-tell-gallery/73917-blue-boxster-resurrection-project-6.html

Hope that helps. I can do measurements later in the weekend if you specify what you need.