Looks like they would be good for a turbo set up or mod them for n/a power in an sc400 or something along those lines.
http://www.ebay.com/itm/110771121859?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649
http://www.ebay.com/itm/110771121859?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649