Help cooling H11dsi VRM

Hi I'm trying to run dual 7742s on a H11Dsi but I'm finding that the VRM on it is quickly over heating (common issue). So I'm wondering if yall had any fixes that yall applied to it that worked or if in yalls opinion something like this would work.

Hi I'm trying to run dual 7742s on a H11Dsi but I'm finding that the VRM on it is quickly over heating (common issue). So I'm wondering if yall had any fixes that yall applied to it that worked or if in yalls opinion something like this would work.