What transmission is this?

Hello, I have a problem… Does anyone know what transmission this is? My friend gave it to me and he doesn’t seem to know what its from either. Thanks in advance for the help. We think it’s either a sr20 or ka24.
http://photos-g.ak.fbcdn.net/hphotos-ak-snc3/hs166.snc3/19362_100999216599694_100000688483881_27088_7597864_n.jpg

looks to be ka sir. im sure other people can chime in…the only difference is in the bellhousing.

im almost sure its ka

S13 ka

yepyep ka s13.

Thanks :slight_smile: