A decent deal on ebay...

[Brangeta]

These IMP spec sheets are pretty neat, I used to have the Speedster one. The price isn't bad for something difficult to find.
http://cgi.ebay.com/ebaymotors/CHEV...215QQitemZ200089985151QQrdZ1QQsspagenameZWDVW

Now if only the IMP piece I am looking for would show up on ebay for a steal...