Wrangler Yj On My 93 YJ Wrangler, How Difficult Is It To Fit Round Headlights In Place Of The Square Headlights?

On my 93 YJ wrangler, how difficult is it to fit round headlights in place of the square headlights? - wrangler yj

Would it be easier (overlay network to replace it?) For the first time cut Wrangler TJ, JK, or even first end CJ7 team, or someone can tell me a place that sells frames round headlights will fit into the YJ grill?

In addition, as similar images to the body CJ7 YJ, because I've heard almost identical, because a large part of the internal working components of the two ...?