Not sure what rimDiameter size options are for your 1985 Jeep J20 GVWR 8400?
Choose from the options below.
Find your version / option
There are two places to find your tire size. Look directly on your tire sidewall or inside your driver’s side door jamb for your vehicle’s tire size.
Passenger Tire Sidewall
High Flotation Tire Sidewall
Inside Your Door Jamb