You're crazy. The quad squares are dirt cheap to replace and cast good light. The "euro" headlights of which you speak are either 1) a very expensive conversion for lights that are illegal in the U.S. or 2) terrible plastic U.S.-legal lenses that have crappy diffusion, turn yellow, and are still costly to replace.

To my knowledge, you'd also need to change your fenders, hood, and grill to use the '86+ headlights.

The rest of us envy you your quad glass headlights - don't change them.
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'93 244: 'A' cam 4 deg. advanced, 25/22 sways, custom heim endlinks, poly bushings, and a lot more styling customization than I care to recount.