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ramhorn?

http://www.ozhonda.com/forum/showthread.php?139854-**pics-up**-B-Series-Turbo-Setup!-T28-Ball-Bearing-Genuine-Bride-Zeta-II&highlight=turbo

This one? It looks pretty good quality to me and would...

Have a read through this site too. There's lots of good information there. The more you know about turbo's the easier it will be to do it.
The only bit to ignore would be the bit on the AFC Hack and...

Here's a list with some ideas with where to get some parts, there's probably some more bits you'll need. I've only turbo'd a d-series so not sure if you'll need any special parts for them but it's...