can this be upgraded to a dual return pump for adding hydro boost or do I just buy the parts individually?

• The hose that is shown is this for the factory steering box? Or is it for a different one? I am having my box rebuilt general
• Does anyone make the top left and top right bracket or brace for this part. I have one that is in great condition and w general
• will my stock return line work ? also will the stock tensioner/adjusting bracket work? availability