Not only do 037's have a different wheelbase, they also have a wider track. So you can't put something like that directly onto a Scorpion and have it come out looking right. The wheels will sit about 4 inches inside the fenders and it will look terrible.
If you just want a more 037-ish look, then you need to find front and rear bumpers, double bubble top, and an 037-style front hood. Maybe a headlight conversion. That's basically what my car was before I began the 037 project.
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None of that stuff is easy to find, although you will find internet lore of "I'm about to start making that stuff". Not only is it not easy to find, it's not easy to do. Getting fiberglass to fit and look good is a messy job and it takes forever.
I don't mean to dissuade you from your goals, but I do want you to go into it realistically. To get the car you see in the pics above from stock to there was easily more than a thousand hours. To do a full-on 037 thing, I work on my car faithfully but I am at 8 years and counting, and still quite a ways to go.
Good luck with your project, whatever direction it takes.