I don't think swapping a stock S/C from another car onto a Civic is a good idea. Those S/C's are fabricated for THAT motor! You need one made to work with yours. There are plenty of options besides Jackson Racing, if you take the time to look. Hmmmmm, first hit when doing a "search" on `supercharger'....
http://www.automotive.eaton.com/prod...rchargers.html
www.google.com is your friend