When you have the Rugged Ridge Spartacus Heavy Duty Tire Carrier and want to use the off-road jack mounting system you will need extra spacers to compensate for the additional thickness of the tire carrier. This spacer kit comes complete with spacers and mounting hardware.. This off-road jack mount spacer kit from Rugged Ridge is designed for the Spartacus Tire Carrier system and fits 07-18 Jeep Wrangler JK/JKU
