The old high-pressure line is re-used to connect to the "new" pump, after it's mounted to the engine. I found that the old line's orientation, length, and stiffness made this connection very difficult, but I eventually got it done and tightened up.
With that done, I started to slide out from under to continue the job, and found that one of the copper crush washers had slipped out during my struggles to get the banjo bolt started, and was sitting on the floor under the pump. So, I did it all over again.
The old PS reservoir is also re-used, with an new supplied bracket. That installation was easy, but then I found that I couldn't connect the new supply line from the reservoir to the pump, since the intake elbow on the pump was pointing up toward the reservoir, which didn't allow sufficient clearance to allow the hose to bend. After fooling around a little, and even trying to fit the old and more flexible VW hose (it was too small for the pump inlet pipe), I went back and studied the various photos of installed pumps on Bostig's website. I saw that the elbow on their pumps was parallel to the ground, not pointing up. So, since I had re-checked my pump model number and made sure it was the right one, I decided that the elbow must be capable of being moved. I found a round bar that fit into the pipe, and carefully twisted until the pipe moved, and re-aligned it so that it was "flat" instead of pointing upward. I don't know what I'd have done if it broke.
Here's the final installation. You can see a little broken paint at the base of the elbow there below the reservoir. The hose connection to the reservoir puts a fair amount of tension on the lower nipple; I hope it doesn't cause a problem later on - I did the best I could in trimming and adjusting the hose.
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