The shop now Section is just a link that you use when your buying stuff from Amazon. When you buy from Amazon using that link then Amazon will give the Forum some money in return to help with the expenses to keep it going.
I wouldn't do it, those wedges will move and eventually they will both be next to each other.
The proper front leveling kit is something that sits on the top of the spring.
Here is some interesting info, don't know if you saw this or not. But it backs up what some of us say to use OEM electrical parts.
https://www.ournextchapter.net/the-jeep-is-finally-fixed-p0345-p0349-p0390-p0394