Textures don't import properly

UE4 is not importing my textures properly. I am using them as look up tables inside of a material because UE4 materials don’t support arrays. Here are the images and UE4’s interpretation of what they look like. Each pixel is a different color of gray (0-255) in a random order. Any help is much appreciated.

It only seems after I ask a question, am I able to solve the issue on my own. Anyway, setting the proper settings can go a long way.

Here are the settings: