Integral power steering box options

In the past, I have been looking at and have used Borgeson integral power steering boxes and really like the company's product. As a child of the 1960's and a teenager in the hyperinflation 1970's, I'm always trying to find a less expensive way to do something.
The Borgeson kits are great for particularly the weekend DIYers and us veteran builders too. However, sometimes `$1000 to $1100 all at one time can be a financial shock to a project, especially to a teenaged 'rookie' builder.
These days, not much having to do with the restoration and upgrading of these old Mustangs is cheap. Long gone are the days of $50 parts cars and $500 drivers that just need the brakes serviced, a little fuel system work, a $500 paint job and a quick interior refresh and then you would have yourself a $5000- old mustang; in ~1980.
Back to the topic.
In my searching for integral power steering boxes, I have come across ~$550 new Borgeson steering box only, and a less expensive option to the Saginaw 'P' pumps etc.
On Ebay, I have come across an integral power steering box that is ~$140- dollars cheaper than the Borgeson box. My question is, has anyone used this particular box and how good of a product is it? The seller doesn't have a monumental amount of feedback however this is not always a bad thing. When I asked the seller a question about it. here was his response. "It's like a copy of the Borgeson. It uses the same factory holes".
copy of a Borgeson power steering box
65mustang IPS box.JPG
 
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