This Extreme Duty Series Spicer Solid 1310 CV Driveshaft will work up to 37″ Tall Tire’s after that size we Recommend you upgrading to our [Extreme Duty 1350 Spicer Solid Series]. Bigger tires adds more Weight, Traction, and more Pressure on your Drivetrain Components like your Driveshafts, Axles, Gears, Etc so you want to make sure you are buying the right driveshaft for your Jeep.