Has anyone ever used one of these or know anything about them? How good are they?
http://cgi.ebay.com/ebaymotors/Drag...015QQitemZ250066660603QQrdZ1QQsspagenameZWD1V
http://cgi.ebay.com/ebaymotors/Drag...015QQitemZ250066660603QQrdZ1QQsspagenameZWD1V