Yukon Gear 2018 Jeep JL Rubicon w/Automatic Performance Front Driveshaft 1350 HD U-JointYukon Gear & Axle performance driveshafts deliver unrivaled performance over stock, fitting vehicles with up to a 4 inch lift. Yukon driveshafts feature high strength steel, 1310 1410 u joints, and the appropriate amount of slip travel. Tested and proven in extreme motorsport competition, these complete driveshaft assemblies offer greater strength, increased operating angles, and longer life on the street, up the rocks, or down the track. Yukon offers