This complete kit includes the Off Road Jack Mounting system (#11586.01) and the spacer kit (#11586.03) to work with the Rugged Ridge Spartacus Heavy Duty Tire Carrier. Now you can mount your off-road jack securely onto your Jeeps tailgate when you are using the Spartacus Tire Carrier.. This off road jack mounting bracket kit from Rugged Ridge fits 07-18 Jeep Wrangler JK/JKU. It includes the mounting bracket and spacers.