Amplify LUT Pack in Visual Effects - UE Marketplace (unrealengine.com)
LUT Table Pack - Community / Community Content, Tools and Tutorials - Unreal Engine Forums
Not sure if these work but you can try them:
Free Luts | Free Lut Packs (fixthephoto.com)
You can also get the neutral LUT on this page and make your own in Photoshop or equivalent:
Using Lookup Tables (LUTs) for Color Grading | Unreal Engine Documentation