Theres a guy on Rennlist putting a Honda K24 turbo into a 997S (ya I know, crazy)!! He said it fits with tons of room and can be tuned to 500 hp easily. I personally thought a Boxster would be a much better platform for this.
Heres the thread.
https://rennlist.com/forums/rennlist-canada/1157940-turbo-honda-k-series-swap-into-my-porsche.html