Not sure why you would want to go with the large of lights. Would probably be easier to make a small one for an LED on the side and take the OEM front and mount to grill or do the JK front marker swap.
You may want to look at Jerry Bransfords' write up on the MCE Flat fenders or his one on the Poison Spyder ( I think those are the ones he swapped to on his new TJ) fenders and see how he did his side markers.
But I would try to use a piece of sheet metal and form it by hand with a vice or pipe to get the bend right
98 TJ 4.0L, 5spd, 4.25 Zone lift, D-locked D30/D35 w/4.56 gears, MCE GEN I Flares, 33" Trxxus ATs, Engo 10K# winch, rear disc brake conversion.
My idea of help from the man above is a sniper on the roof.