The 2021 31-Inch Tire Run was hosted by the Sierra Rock Crawlers pitting fullsize rigs against the Rubicon Trail—with nothing but tiny spare tires!

Our '01 four-door Cherokee (XJ) already had a 5 1/2-inch lift and 4.56 gears so the limiting factor was basic--sheetmetal. 0:00 / 0:00 ...