Ronin Speedworks makes a complete mounting kit for the 8.8 Ford. Here is a pic of their Mazda kit which could fit a Cobra chassis with a little massage work;
The cradle /saddle is very straight forward, relatively easy to install or even copy, if you are a fabricator or chassis shop.
They used to have a website but have gone to a Facebook page now. I don't do social media of any type so they are out of reach for me.