This steel CV rear driveshaft from Rugged Ridge helps to reduce vibration and the driveline angle. Comes balanced and ready to install. Fits with automatic transmissions, 0 to 4.5-inch of lift, and up to 35-inch tires.. This rear CV driveshaft kit fits 12-18 Jeep Wrangler Unlimited Rubicon (4-Door) with an automatic transmission and 1310 U-joints, up to 4.5" lift, and up to 35" tires.