USA Standard ring and pinion gear set for Dana 30 short pinion installations is specified in a 5.13 ratio and fits reverse-rotation Dana 30 front differentials including Jeep JK applications with a 7.20" ring gear diameter and 26 spline pinion. USA Standard says their sets undergo quality evaluation to ensure dimensional, material, and fitment testing for a reliable OEM-replacement gear solution.
USA Standard Ring & Pinion Replacement Gear Set For Dana 30 Short Pinion in a 5.13 Ratio