3.73 Ring and Pinion Gear Set

The Allstar Performance ALL70124 is a ring and pinion gear set specifically engineered for GM 8.5-inch 10-bolt differential applications. This kit provides a 3.73 gear ratio, ideal for balancing acceleration and cruising, paired with 30 pinion splines for robust engagement. The gears are lapped in matched sets to ensure quiet operation and optimal performance right out of the box. This comprehensive kit contains all the necessary components for a complete ring and pinion replacement. Key specifications include a ring gear diameter of 8.500 inches and a pinion shaft diameter of 1.626 inches. The differential case design type is compatible with GM 8.5/8.6 inch differentials.