rear brake conversion

Hello everyone so I just purchased a rear disc break conversion kit for my 1988 ranger XLT 2.9 liter. The kit is from SSBC KIT # A114 and the instructions they give are not very helpful the diagram they sent is not the best quality so it's difficult to make out the details of the parts is there...

Thus far, good sirs, I've received a lot of sage advice here. So I dare ask for more. Slowly but surely, my 2003 Ranger has been nicely restored, even upgraded, making it a real keeper. This weekend I'm planning to do a brake job on the front. I am about due anyway. Why not upgrade again? I...