Phil Howell wrote an article on the Rat Patrol JK (May 2013). My tire guy tells me those tires are what they call asymmetrical (similar to what we used to call
www.motortrend.com
“Although it’s indicated on the tire to “mount this side inboard,” our Goodyear contacts assured us the tire can be run either way.”
Way back when many tires were directional, many would place the two on the front one direction and the two on the back the other direction, so no matter which direction you had to go in the mud, two were clearing and could pull you out.