The Allstar Performance Ring & Pinion set features a precise 5.83 gear ratio specifically crafted for Ford 9-inch differentials. This kit includes a 28-spline pinion, ensuring compatibility and robust performance, particularly in racing and high-performance settings. With dimensions of 14.9 inches in length, 11.1 inches in width, and 5.4 inches in height, this assembly is engineered for superior torque distribution and durability.