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Mounting an 8-lug Wheel on a Rear Tire Carrier Mounting an 8-lug Wheel on a Rear Tire Carrier
AN HONEST LESSON IN NOT RE-INVENTING THE WHEEL! Upgrades to your Jeep can usually go two ways; the super easy, no thought involved, or... Mounting an 8-lug Wheel on a Rear Tire Carrier


Upgrades to your Jeep can usually go two ways; the super easy, no thought involved, or the more common, this is going to take some thought route. I tend to be an over thinker. Imagine that!

In the process of making the significant number of upgrades to Golden Spike, my new to me 2004 Jeep LJ, I left mounting the spare tire on the MetalCloak  Rear Bumper Tire Carrier System until now. When I ordered the rear tire carrier I wasn’t sure what axles, wheels or tires I would be running, but didn’t think through why it would matter.

So, I ended up running TeraFlex Wide Full Float 60’s complete with 9/16″ -18 wheel studs in an 8×6.5″ pattern, along with Raceline Monster Beadlocks (RT232, 17×8.5″) with 4.75″ backspacing. They handle the 38″ MileStar Patagonia M/T perfectly! When I looked at the tire carrier’s spare mounting bracket I realized that it wouldn’t handle an 8 lug wheel. No problem! I’ll just make one! Well…with some help…from the guys at my local shop, Alpine Offroad & Performance.

After I posted a couple pictures of my handiwork, I received a call from MetalCloak informing me that they actually make an 8-lug plate. Doh! I didn’t know…and I failed to ask! But my fabricated piece was done so I continued on my task. I cut the bracket that was sent with the carrier and we then welded on an 8-lug plate.

It only took a few minutes for me to realize that the fabricated plate I used came with holes for 1/2″ wheel studs, so I drilled them out to accept the 9/16″ studs.

As you can see in the pictures, the shoulders of the 9/16″ studs were larger, much larger, than 9/16″. And the thickness of the plate did not take up the entire shoulder of the stud, so quite a bit of the shoulder protruded. The holes on the wheels are made to accept a 9/16″ stud no problem…but not the diameter of the shoulder of the wheel stud. So I went in search of different wheel studs…while also contacting MetalCloak to go ahead and send me their 8-lug plate.

After receiving the engineered, made to work part from MetalCloak, I decided quickly to abandon my fabricated option.

I also decided to just use 1/2″ wheel studs for mounting the spare. The shoulders of the studs fit into the wheel holes perfectly. I had a much easier, cleaner and simpler solution to my dilemma.


After receiving the new MetalCloak pieces, 30 minutes of work and the spare was mounted.

The brackets that come with the tire carrier allow a lot of adjustability for running different size tire and wheel combinations. I wanted the tire to set on the lower brace, but when I first mounted it there was still a gap. No worries! Just a quick adjustment and the tire was resting on the lower mount perfectly. Also noteworthy is that this is a large wheel/tire combination. The tire is 13.5 wide. The adjustability of the mounts allowed it to tighten up without any issues at all.

Another 30 minutes or so doing some wiring of the license plate light and 3rd brake light and the job was complete.


Lesson learned. It turns out that what we do now, has probably already been done. No need to recreate the “wheel”…



Corey Osborne Co-creator

After 23 years of corporate life, I decided to pursue my passions in the off road industry. Specializing in marketing, visibility, relationship and brand building, and acting as MetalCloak's field marketing representative, I have travelled across the country (quite a few times!) using Metalcloak’s CTI (Corner Travel Index) to educate the off road enthusiast. I have also worked with Jeep Jamboree USA as event staff, to provide additional value and education to its participants. I've been fortunate enough to work with both international as well as domestic media; have attended most of the off-road events across our country; and have driven a wide variety of vehicles. I'm a certified PADI scuba instructor and have a BS in Computer Science.