If you are planning a GMC TF truck using the original Pontiac-based V8, power steering and air bag suspension this http://cgi.ebay.com/ebaymotors/57-5...119581831QQcmdZViewItem?hash=item110119581831 may be just what you need. This beast is from a '58 Pontiac. The mount will bolt directly to a 55-59 GMC V8 timing cover.