This set of shims is specifically designed for the rear axle pinion shaft adjust of a 1967-1973 Dana 67-73 1/2" truck. The shims are made by Mopar, a trusted brand in the automotive industry. With a diameter of 9 3/4", these shims are a perfect fit for the aforementioned trucks. The set includes five shims, ensuring that you have enough to complete the adjustment. These shims are N.O.S. (new old stock) and have never been used. They are ideal for anyone looking to upgrade or replace their existing shims. Buy now and get your hands on this high-quality Mopar product.