Casey Currie calls the terrain at King of the Hammers some of the toughest in the world, and he trusts only the best ball joints, u-joints, and performance driveshafts in his vehicles. Both his race trucks and daily driver Jeeps are equipped with Spicer® parts—because they are purpose built for the most challenging environments. Find Spicer parts for your Jeep at spicerparts.com/jeep.