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Tall and skinny is a proven formula in the mud. A narrower tire cuts down through slop toward firmer ground instead of floating on top, while a tall tire keeps the machine’s belly out of the muck. At 38×9-22, this package leans hard into both.
This Terache Aztex XL 38×9-22 (8ply) tire and wheel kit on MSA M51 Thunderlips Machined Wheels is a set of four that includes lug nuts and center caps.
The Terache Aztex XL
At 38 inches tall, the Aztex XL lifts the frame and differentials well above the ground. The 9-inch width keeps the tire narrow for its height, which is the mud-rider’s recipe for cutting through deep, soupy holes. It is an 8-ply tire, a construction many riders choose for a sturdier carcass when running through sticks, roots and debris hidden under the water.
Mud riders often air these big tires down a bit for extra bite, but always stay within the range the tire maker recommends.
MSA M51 Thunderlips, machined
The tires ride on MSA M51 Thunderlips wheels with a machined finish. Machined accents catch the light and give the wheel some contrast against the dark tire, so the machine looks sharp when it is clean. MSA is a familiar name in the ATV and UTV wheel world, and the 22-inch diameter fills the wheel wells on a lifted machine.
Machined finishes look best with regular cleaning, so rinse off the mud before it dries on the face of the wheel.
What a 38-inch tire asks of your machine
A 38 is a serious tire. Before you order, be honest about your build:
- Most machines need a substantial lift, portal gear lift, or both, to clear this size.
- Axles, clutching and other drivetrain parts will see more load turning a taller tire.
- Brakes have more rotating weight to slow down.
- Steering effort and turning feel will change.
Riders who plan for all of that end up with a machine that works. Riders who skip it end up on the trailer early.
Confirm the fit
Make sure the wheels match your hub bolt pattern and that offset works with your suspension. Check clearance at full steering lock and full compression. If you want help, call the Wild Boar team at 850-912-4350 with your machine, year and current setup, and we will talk it through.
