I put 35x12.5-17 Nitto Trail Grapplers on my 23 SAS Badlands and had zero issues. Far, far less flinging of rocks compared to the Goodyears, and I prefer a true mud tire.
You're not going to find anything more heavy duty than the ARB Summit, picture is mine. No integrated light bar though. I added old school KC Daylighters to mine.
I have an ARB Summit bumper and a Warn Zeon 10s, which by estimate is about 250#. Dropped my front about 3/4". I will be installing a 1" leveling kit soon.
Here are pictures of my radio install. Yeasu FT-8800. The head is mounted to the dash with a Bullet Point Systems mount. Radio body is on the passenger center console. Still no thrilled with the speaker placement, but not any real good choices. The power feed is a home run to the battery. I've...
Not sure about the actual diameter of the 37" BFG's, but the 35" Goodyears are actual about 34". I put 35" Nitto MT's on my SAS Badlands and it was a noticeable difference.
I'm installing an FT-8800, that I have laying around. I ordered the Bullet Point mount system, to mount the head on the dash, and will likely place the body under the passenger seat.