The Dana 230594 Ring and Pinion Set is a genuine Spicer component designed for optimal performance and durability in heavy-duty industrial and commercial axle systems. This set features a precise 3.73 gear ratio, with 41 teeth on the ring gear and 11 teeth on the pinion gear. The ring gear has a diameter of 247.65 mm (9.75 inches) and the pinion gear features a 30-spline count, ensuring precise fit and reliable power transfer for various industrial applications.