Tired of constant driveshaft vibration? Correct your pinion angle with a set of our ALL-STEEL leaf spring degree shims. Lifting yourXJ has created new driveline angles. These degree shims aregreat for tilting the axle up for a "closer to stock" pinionangle that is important to avoid undue wear and tear on yourdriveshaft, transfer case, etc. They come zinc plated and even give you about 1/2" of lift! You also get longer 5/16" centering pins to accommodate the extralift. Available in 2, 4, 6 and 8 degrees so you can customize yourpinion angle!