Just an update since the original post in case anyone wants to know how this turned out. I went ahead and bought one from the ebay seller. They are blowing them out on E-bay for $127 including shipping! Put it in a month ago and works great. Required some drilling to get the bolt holes lined up but once installed, it makes a difference. It is much lighter and the normally hot 400 engine is running about 10-15 degrees cooler overall. Incredible price considering these cost $400 - $600 a couple of years ago.
Mark