Go over to catcaveforum and post
There is this on on eBay
http://www.ebay.com/itm/172051665814?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
I seen the one on ebay, it is an empire casting I believe. Not sure of quality or ability to line up and bolt. Has anyone purchased one of these from them and can confirm it's a good one that will work?
Just to let you know, Empire cheated me out of $500 and an old heat box. - Wally