Dont know if you guys have seen this but looks like a good BRF valve body.
Buick Grand National BRF Valve Body! Item number: 2442721893
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&category=46104&item=2442721893
Buick Grand National BRF Valve Body! Item number: 2442721893
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&category=46104&item=2442721893