Cobblestone Seamless PBR Texture Pack. 6 Textures included in the pack. Every texture comes with the following maps ready for any game engine.
Diffuse 4096x4096 Metalness 4096x4096 Roughness 4096x4096 AO 4096x4096 Normal 4096x4096 Displacement 4096x4096
https://pbrtexture.com/