i did the wj brake and steering conversion. and i need 16 inch wheels 5x4.5 but what backspacing so they don't stick out?

I believe it's the 97s and 98s that came with this wheel or similar that is 16" and 5x4.5


Or go after market with +20, that will get you to 4.75 backspacing (IIRC).

The jeep tj rubicon moabs are 16s and bolt on it.

like to have steel wheels

With most steel wheels the most BS is going to be 4" But, go buy whatever wheels you want in the correct pattern.

Steel what be aftermarket like cragar d window a few other companies sell the same rim like procomp.

As does Summit Racing and Jegs a lot of the time they have the best prices or will price match with anyone plus free shipping.

This. I like my Moabs.