It shouldn't be off by much. I know RevHard makes an "EG B-series" turbo kit. I'm not sure if it's a one size fits all type of deal or if they make one for the B18B, B18C, B16, B18C5, etc.

Check out this thread:

https://www.honda-acura.net/forums/s...threadid=26509

That's a pretty nice deal going on the RevHard kits.