I second the 4Plus bumper. There is no lose to departure angle since the receiver is in the bumper.
http://www.4plusproducts.com/fj60classicrearbumper.html
I have installed the backup lights since the picture was taken.
That is really great but I went with a Wheelskins kit and its been great since I installed it 4 years ago.
https://forum.ih8mud.com/threads/which-wheelskin-size-for-an-fj60.1225289/
I built a 2FE that is close to what has been suggested. I got all of the parts (3FE head, ECU, misc bits) from https://forum.ih8mud.com/members/trail-tailor.66052/ . I also got 0.30" pistons and had the head skimmed and ported/polished. I had a...
I mounted 6.5" rounds in the rear panel of my 60. There is plenty of room behind the panel. They sound better when the rear seats are down as in the picture. I rarely have the rear seat up so that is not an issue.
I went a different route. I've got a bluetooth controller located on the center console that is very handy to get to. The amp is located under the driver seat and I used the power wires from the old head unit to the bluetooth controller and and...
I got a set of Procar Elites a couple of years ago in gray canvas. They are supportive and comfortable for a long drive. They mount on the stock runners so both seats took all of 20 minutes to swap out.
https://procarbyscat.com/product/elite/